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526 lines
12 KiB
526 lines
12 KiB
/*** |
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* |
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* Copyright (c) 1996-2002, Valve LLC. All rights reserved. |
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* |
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* This product contains software technology licensed from Id |
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc. |
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* All Rights Reserved. |
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* |
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* Use, distribution, and modification of this source code and/or resulting |
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* object code is restricted to non-commercial enhancements to products from |
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* Valve LLC. All other use, distribution, or modification is prohibited |
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* without written permission from Valve LLC. |
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* |
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****/ |
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// |
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// Message.cpp |
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// |
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// implementation of CHudMessage class |
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// |
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#include "hud.h" |
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#include "cl_util.h" |
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#include <string.h> |
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#include <stdio.h> |
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#include "parsemsg.h" |
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DECLARE_MESSAGE( m_Message, HudText ) |
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DECLARE_MESSAGE( m_Message, GameTitle ) |
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// 1 Global client_textmessage_t for custom messages that aren't in the titles.txt |
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client_textmessage_t g_pCustomMessage; |
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const char *g_pCustomName = "Custom"; |
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char g_pCustomText[1024]; |
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int CHudMessage::Init( void ) |
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{ |
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HOOK_MESSAGE( HudText ); |
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HOOK_MESSAGE( GameTitle ); |
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gHUD.AddHudElem( this ); |
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Reset(); |
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return 1; |
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} |
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int CHudMessage::VidInit( void ) |
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{ |
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m_HUD_title_half = gHUD.GetSpriteIndex( "title_half" ); |
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m_HUD_title_life = gHUD.GetSpriteIndex( "title_life" ); |
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return 1; |
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} |
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void CHudMessage::Reset( void ) |
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{ |
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memset( m_pMessages, 0, sizeof(m_pMessages[0]) * maxHUDMessages ); |
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memset( m_startTime, 0, sizeof(m_startTime[0]) * maxHUDMessages ); |
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m_gameTitleTime = 0; |
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m_pGameTitle = NULL; |
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} |
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float CHudMessage::FadeBlend( float fadein, float fadeout, float hold, float localTime ) |
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{ |
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float fadeTime = fadein + hold; |
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float fadeBlend; |
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if( localTime < 0 ) |
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return 0; |
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if( localTime < fadein ) |
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{ |
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fadeBlend = 1 - ( ( fadein - localTime ) / fadein ); |
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} |
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else if( localTime > fadeTime ) |
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{ |
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if( fadeout > 0 ) |
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fadeBlend = 1 - ( ( localTime - fadeTime ) / fadeout ); |
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else |
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fadeBlend = 0; |
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} |
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else |
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fadeBlend = 1; |
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return fadeBlend; |
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} |
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int CHudMessage::XPosition( float x, int width, int totalWidth ) |
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{ |
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int xPos; |
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if( x == -1 ) |
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{ |
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xPos = ( ScreenWidth - width ) / 2; |
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} |
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else |
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{ |
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if( x < 0 ) |
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xPos = ( 1.0 + x ) * ScreenWidth - totalWidth; // Alight right |
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else |
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xPos = x * ScreenWidth; |
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} |
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if( xPos + width > ScreenWidth ) |
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xPos = ScreenWidth - width; |
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else if( xPos < 0 ) |
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xPos = 0; |
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return xPos; |
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} |
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int CHudMessage::YPosition( float y, int height ) |
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{ |
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int yPos; |
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if( y == -1 ) // Centered? |
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yPos = ( ScreenHeight - height ) * 0.5; |
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else |
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{ |
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// Alight bottom? |
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if ( y < 0 ) |
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yPos = ( 1.0 + y ) * ScreenHeight - height; // Alight bottom |
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else // align top |
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yPos = y * ScreenHeight; |
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} |
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if ( yPos + height > ScreenHeight ) |
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yPos = ScreenHeight - height; |
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else if ( yPos < 0 ) |
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yPos = 0; |
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return yPos; |
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} |
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void CHudMessage::MessageScanNextChar( void ) |
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{ |
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int srcRed, srcGreen, srcBlue, destRed = 0, destGreen = 0, destBlue = 0; |
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int blend; |
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srcRed = m_parms.pMessage->r1; |
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srcGreen = m_parms.pMessage->g1; |
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srcBlue = m_parms.pMessage->b1; |
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blend = 0; // Pure source |
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switch( m_parms.pMessage->effect ) |
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{ |
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// Fade-in / Fade-out |
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case 0: |
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case 1: |
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destRed = destGreen = destBlue = 0; |
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blend = m_parms.fadeBlend; |
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break; |
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case 2: |
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m_parms.charTime += m_parms.pMessage->fadein; |
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if( m_parms.charTime > m_parms.time ) |
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{ |
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srcRed = srcGreen = srcBlue = 0; |
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blend = 0; // pure source |
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} |
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else |
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{ |
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float deltaTime = m_parms.time - m_parms.charTime; |
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destRed = destGreen = destBlue = 0; |
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if ( m_parms.time > m_parms.fadeTime ) |
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{ |
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blend = m_parms.fadeBlend; |
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} |
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else if ( deltaTime > m_parms.pMessage->fxtime ) |
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blend = 0; // pure dest |
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else |
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{ |
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destRed = m_parms.pMessage->r2; |
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destGreen = m_parms.pMessage->g2; |
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destBlue = m_parms.pMessage->b2; |
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blend = 255 - (deltaTime * (1.0/m_parms.pMessage->fxtime) * 255.0 + 0.5); |
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} |
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} |
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break; |
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} |
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if( blend > 255 ) |
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blend = 255; |
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else if( blend < 0 ) |
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blend = 0; |
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m_parms.r = ( ( srcRed * ( 255 - blend ) ) + ( destRed * blend ) ) >> 8; |
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m_parms.g = ( ( srcGreen * (255 - blend ) ) + ( destGreen * blend ) ) >> 8; |
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m_parms.b = ( ( srcBlue * ( 255 - blend ) ) + ( destBlue * blend ) ) >> 8; |
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if( m_parms.pMessage->effect == 1 && m_parms.charTime != 0 ) |
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{ |
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if( m_parms.x >= 0 && m_parms.y >= 0 && ( m_parms.x + gHUD.m_scrinfo.charWidths[m_parms.text] ) <= ScreenWidth ) |
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TextMessageDrawChar( m_parms.x, m_parms.y, m_parms.text, m_parms.pMessage->r2, m_parms.pMessage->g2, m_parms.pMessage->b2 ); |
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} |
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} |
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void CHudMessage::MessageScanStart( void ) |
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{ |
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switch( m_parms.pMessage->effect ) |
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{ |
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// Fade-in / out with flicker |
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case 1: |
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case 0: |
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m_parms.fadeTime = m_parms.pMessage->fadein + m_parms.pMessage->holdtime; |
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if( m_parms.time < m_parms.pMessage->fadein ) |
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{ |
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m_parms.fadeBlend = ( ( m_parms.pMessage->fadein - m_parms.time ) * ( 1.0 / m_parms.pMessage->fadein ) * 255 ); |
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} |
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else if( m_parms.time > m_parms.fadeTime ) |
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{ |
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if( m_parms.pMessage->fadeout > 0 ) |
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m_parms.fadeBlend = ( ( ( m_parms.time - m_parms.fadeTime ) / m_parms.pMessage->fadeout) * 255); |
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else |
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m_parms.fadeBlend = 255; // Pure dest (off) |
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} |
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else |
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m_parms.fadeBlend = 0; // Pure source (on) |
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m_parms.charTime = 0; |
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if( m_parms.pMessage->effect == 1 && ( rand() % 100 ) < 10 ) |
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m_parms.charTime = 1; |
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break; |
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case 2: |
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m_parms.fadeTime = (m_parms.pMessage->fadein * m_parms.length) + m_parms.pMessage->holdtime; |
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if ( m_parms.time > m_parms.fadeTime && m_parms.pMessage->fadeout > 0 ) |
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m_parms.fadeBlend = ( ( ( m_parms.time - m_parms.fadeTime ) / m_parms.pMessage->fadeout ) * 255 ); |
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else |
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m_parms.fadeBlend = 0; |
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break; |
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} |
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} |
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void CHudMessage::MessageDrawScan( client_textmessage_t *pMessage, float time ) |
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{ |
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int i, j, length, width; |
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const char *pText; |
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unsigned char line[80]; |
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pText = pMessage->pMessage; |
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// Count lines |
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m_parms.lines = 1; |
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m_parms.time = time; |
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m_parms.pMessage = pMessage; |
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length = 0; |
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width = 0; |
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m_parms.totalWidth = 0; |
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while( *pText ) |
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{ |
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if( *pText == '\n' ) |
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{ |
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m_parms.lines++; |
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if( width > m_parms.totalWidth ) |
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m_parms.totalWidth = width; |
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width = 0; |
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} |
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else |
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width += gHUD.m_scrinfo.charWidths[(unsigned char)*pText]; |
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pText++; |
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length++; |
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} |
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m_parms.length = length; |
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m_parms.totalHeight = ( m_parms.lines * gHUD.m_scrinfo.iCharHeight ); |
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m_parms.y = YPosition( pMessage->y, m_parms.totalHeight ); |
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pText = pMessage->pMessage; |
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m_parms.charTime = 0; |
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MessageScanStart(); |
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for( i = 0; i < m_parms.lines; i++ ) |
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{ |
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m_parms.lineLength = 0; |
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m_parms.width = 0; |
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while( *pText && *pText != '\n' ) |
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{ |
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unsigned char c = *pText; |
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if (m_parms.lineLength < sizeof(line)-1) |
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{ |
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line[m_parms.lineLength] = c; |
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m_parms.width += gHUD.m_scrinfo.charWidths[c]; |
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m_parms.lineLength++; |
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} |
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pText++; |
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} |
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pText++; // Skip LF |
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line[m_parms.lineLength] = 0; |
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m_parms.x = XPosition( pMessage->x, m_parms.width, m_parms.totalWidth ); |
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for( j = 0; j < m_parms.lineLength; j++ ) |
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{ |
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m_parms.text = line[j]; |
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int next = m_parms.x + gHUD.m_scrinfo.charWidths[m_parms.text]; |
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MessageScanNextChar(); |
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if( m_parms.x >= 0 && m_parms.y >= 0 && next <= ScreenWidth ) |
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TextMessageDrawChar( m_parms.x, m_parms.y, m_parms.text, m_parms.r, m_parms.g, m_parms.b ); |
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m_parms.x = next; |
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} |
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m_parms.y += gHUD.m_scrinfo.iCharHeight; |
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} |
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} |
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int CHudMessage::Draw( float fTime ) |
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{ |
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int i, drawn; |
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client_textmessage_t *pMessage; |
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float endTime = 0.0f; |
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drawn = 0; |
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if( m_gameTitleTime > 0 ) |
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{ |
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float localTime = gHUD.m_flTime - m_gameTitleTime; |
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float brightness; |
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// Maybe timer isn't set yet |
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if( m_gameTitleTime > gHUD.m_flTime ) |
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m_gameTitleTime = gHUD.m_flTime; |
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if( localTime > ( m_pGameTitle->fadein + m_pGameTitle->holdtime + m_pGameTitle->fadeout ) ) |
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m_gameTitleTime = 0; |
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else |
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{ |
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brightness = FadeBlend( m_pGameTitle->fadein, m_pGameTitle->fadeout, m_pGameTitle->holdtime, localTime ); |
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int halfWidth = gHUD.GetSpriteRect( m_HUD_title_half ).right - gHUD.GetSpriteRect( m_HUD_title_half ).left; |
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int fullWidth = halfWidth + gHUD.GetSpriteRect( m_HUD_title_life ).right - gHUD.GetSpriteRect( m_HUD_title_life ).left; |
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int fullHeight = gHUD.GetSpriteRect( m_HUD_title_half ).bottom - gHUD.GetSpriteRect( m_HUD_title_half ).top; |
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int x = XPosition( m_pGameTitle->x, fullWidth, fullWidth ); |
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int y = YPosition( m_pGameTitle->y, fullHeight ); |
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SPR_Set( gHUD.GetSprite( m_HUD_title_half ), brightness * m_pGameTitle->r1, brightness * m_pGameTitle->g1, brightness * m_pGameTitle->b1 ); |
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SPR_DrawAdditive( 0, x, y, &gHUD.GetSpriteRect( m_HUD_title_half ) ); |
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SPR_Set( gHUD.GetSprite( m_HUD_title_life ), brightness * m_pGameTitle->r1, brightness * m_pGameTitle->g1, brightness * m_pGameTitle->b1 ); |
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SPR_DrawAdditive( 0, x + halfWidth, y, &gHUD.GetSpriteRect( m_HUD_title_life ) ); |
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drawn = 1; |
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} |
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} |
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// Fixup level transitions |
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for( i = 0; i < maxHUDMessages; i++ ) |
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{ |
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// Assume m_parms.time contains last time |
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if( m_pMessages[i] ) |
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{ |
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pMessage = m_pMessages[i]; |
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if( m_startTime[i] > gHUD.m_flTime ) |
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m_startTime[i] = gHUD.m_flTime + m_parms.time - m_startTime[i] + 0.2; // Server takes 0.2 seconds to spawn, adjust for this |
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} |
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} |
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for( i = 0; i < maxHUDMessages; i++ ) |
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{ |
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if( m_pMessages[i] ) |
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{ |
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pMessage = m_pMessages[i]; |
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// This is when the message is over |
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switch( pMessage->effect ) |
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{ |
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case 0: |
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case 1: |
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endTime = m_startTime[i] + pMessage->fadein + pMessage->fadeout + pMessage->holdtime; |
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break; |
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// Fade in is per character in scanning messages |
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case 2: |
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endTime = m_startTime[i] + ( pMessage->fadein * strlen( pMessage->pMessage ) ) + pMessage->fadeout + pMessage->holdtime; |
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break; |
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} |
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if( fTime <= endTime ) |
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{ |
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float messageTime = fTime - m_startTime[i]; |
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// Draw the message |
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// effect 0 is fade in/fade out |
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// effect 1 is flickery credits |
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// effect 2 is write out (training room) |
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MessageDrawScan( pMessage, messageTime ); |
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drawn++; |
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} |
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else |
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{ |
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// The message is over |
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m_pMessages[i] = NULL; |
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} |
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} |
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} |
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// Remember the time -- to fix up level transitions |
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m_parms.time = gHUD.m_flTime; |
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// Don't call until we get another message |
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if( !drawn ) |
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m_iFlags &= ~HUD_ACTIVE; |
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return 1; |
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} |
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void CHudMessage::MessageAdd( const char *pName, float time ) |
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{ |
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int i, j; |
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client_textmessage_t *tempMessage; |
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for( i = 0; i < maxHUDMessages; i++ ) |
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{ |
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if( !m_pMessages[i] ) |
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{ |
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// Trim off a leading # if it's there |
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if( pName[0] == '#' ) |
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tempMessage = TextMessageGet( pName + 1 ); |
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else |
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tempMessage = TextMessageGet( pName ); |
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// If we couldnt find it in the titles.txt, just create it |
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if( !tempMessage ) |
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{ |
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g_pCustomMessage.effect = 2; |
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g_pCustomMessage.r1 = g_pCustomMessage.g1 = g_pCustomMessage.b1 = g_pCustomMessage.a1 = 100; |
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g_pCustomMessage.r2 = 240; |
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g_pCustomMessage.g2 = 110; |
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g_pCustomMessage.b2 = 0; |
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g_pCustomMessage.a2 = 0; |
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g_pCustomMessage.x = -1; // Centered |
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g_pCustomMessage.y = 0.7; |
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g_pCustomMessage.fadein = 0.01; |
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g_pCustomMessage.fadeout = 1.5; |
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g_pCustomMessage.fxtime = 0.25; |
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g_pCustomMessage.holdtime = 5; |
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g_pCustomMessage.pName = g_pCustomName; |
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strcpy( g_pCustomText, pName ); |
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g_pCustomMessage.pMessage = g_pCustomText; |
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tempMessage = &g_pCustomMessage; |
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} |
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for( j = 0; j < maxHUDMessages; j++ ) |
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{ |
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if( m_pMessages[j] ) |
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{ |
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// is this message already in the list |
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if( !strcmp( tempMessage->pMessage, m_pMessages[j]->pMessage ) ) |
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{ |
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return; |
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} |
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// get rid of any other messages in same location (only one displays at a time) |
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if( fabs( tempMessage->y - m_pMessages[j]->y ) < 0.0001 ) |
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{ |
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if ( fabs( tempMessage->x - m_pMessages[j]->x ) < 0.0001 ) |
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{ |
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m_pMessages[j] = NULL; |
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} |
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} |
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} |
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} |
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m_pMessages[i] = tempMessage; |
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m_startTime[i] = time; |
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return; |
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} |
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} |
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} |
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int CHudMessage::MsgFunc_HudText( const char *pszName, int iSize, void *pbuf ) |
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{ |
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BEGIN_READ( pbuf, iSize ); |
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char *pString = READ_STRING(); |
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MessageAdd( pString, gHUD.m_flTime ); |
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// Remember the time -- to fix up level transitions |
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m_parms.time = gHUD.m_flTime; |
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// Turn on drawing |
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if( !( m_iFlags & HUD_ACTIVE ) ) |
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m_iFlags |= HUD_ACTIVE; |
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return 1; |
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} |
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int CHudMessage::MsgFunc_GameTitle( const char *pszName, int iSize, void *pbuf ) |
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{ |
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m_pGameTitle = TextMessageGet( "GAMETITLE" ); |
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if( m_pGameTitle != NULL ) |
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{ |
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m_gameTitleTime = gHUD.m_flTime; |
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// Turn on drawing |
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if( !( m_iFlags & HUD_ACTIVE ) ) |
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m_iFlags |= HUD_ACTIVE; |
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} |
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return 1; |
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} |
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void CHudMessage::MessageAdd( client_textmessage_t * newMessage ) |
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{ |
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m_parms.time = gHUD.m_flTime; |
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// Turn on drawing |
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if( !( m_iFlags & HUD_ACTIVE ) ) |
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m_iFlags |= HUD_ACTIVE; |
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for( int i = 0; i < maxHUDMessages; i++ ) |
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{ |
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if( !m_pMessages[i] ) |
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{ |
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m_pMessages[i] = newMessage; |
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m_startTime[i] = gHUD.m_flTime; |
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return; |
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} |
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} |
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}
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