cg_main.c

quakeIII源码这个不用我多说吧

	Menu_Reset();

	p = buf;

	while ( 1 ) {
		token = COM_ParseExt( &p, qtrue );
		if( !token || token[0] == 0 || token[0] == '}') {
			break;
		}

		//if ( Q_stricmp( token, "{" ) ) {
		//	Com_Printf( "Missing { in menu file\n" );
		//	break;
		//}

		//if ( menuCount == MAX_MENUS ) {
		//	Com_Printf( "Too many menus!\n" );
		//	break;
		//}

		if ( Q_stricmp( token, "}" ) == 0 ) {
			break;
		}

		if (Q_stricmp(token, "loadmenu") == 0) {
			if (CG_Load_Menu(&p)) {
				continue;
			} else {
				break;
			}
		}
	}

	Com_Printf("UI menu load time = %d milli seconds\n", trap_Milliseconds() - start);

}



static qboolean CG_OwnerDrawHandleKey(int ownerDraw, int flags, float *special, int key) {
	return qfalse;
}


static int CG_FeederCount(float feederID) {
	int i, count;
	count = 0;
	if (feederID == FEEDER_REDTEAM_LIST) {
		for (i = 0; i < cg.numScores; i++) {
			if (cg.scores[i].team == TEAM_RED) {
				count++;
			}
		}
	} else if (feederID == FEEDER_BLUETEAM_LIST) {
		for (i = 0; i < cg.numScores; i++) {
			if (cg.scores[i].team == TEAM_BLUE) {
				count++;
			}
		}
	} else if (feederID == FEEDER_SCOREBOARD) {
		return cg.numScores;
	}
	return count;
}


void CG_SetScoreSelection(void *p) {
	menuDef_t *menu = (menuDef_t*)p;
	playerState_t *ps = &cg.snap->ps;
	int i, red, blue;
	red = blue = 0;
	for (i = 0; i < cg.numScores; i++) {
		if (cg.scores[i].team == TEAM_RED) {
			red++;
		} else if (cg.scores[i].team == TEAM_BLUE) {
			blue++;
		}
		if (ps->clientNum == cg.scores[i].client) {
			cg.selectedScore = i;
		}
	}

	if (menu == NULL) {
		// just interested in setting the selected score
		return;
	}

	if ( cgs.gametype >= GT_TEAM ) {
		int feeder = FEEDER_REDTEAM_LIST;
		i = red;
		if (cg.scores[cg.selectedScore].team == TEAM_BLUE) {
			feeder = FEEDER_BLUETEAM_LIST;
			i = blue;
		}
		Menu_SetFeederSelection(menu, feeder, i, NULL);
	} else {
		Menu_SetFeederSelection(menu, FEEDER_SCOREBOARD, cg.selectedScore, NULL);
	}
}

// FIXME: might need to cache this info
static clientInfo_t * CG_InfoFromScoreIndex(int index, int team, int *scoreIndex) {
	int i, count;
	if ( cgs.gametype >= GT_TEAM ) {
		count = 0;
		for (i = 0; i < cg.numScores; i++) {
			if (cg.scores[i].team == team) {
				if (count == index) {
					*scoreIndex = i;
					return &cgs.clientinfo[cg.scores[i].client];
				}
				count++;
			}
		}
	}
	*scoreIndex = index;
	return &cgs.clientinfo[ cg.scores[index].client ];
}

static const char *CG_FeederItemText(float feederID, int index, int column, qhandle_t *handle) {
	gitem_t *item;
	int scoreIndex = 0;
	clientInfo_t *info = NULL;
	int team = -1;
	score_t *sp = NULL;

	*handle = -1;

	if (feederID == FEEDER_REDTEAM_LIST) {
		team = TEAM_RED;
	} else if (feederID == FEEDER_BLUETEAM_LIST) {
		team = TEAM_BLUE;
	}

	info = CG_InfoFromScoreIndex(index, team, &scoreIndex);
	sp = &cg.scores[scoreIndex];

	if (info && info->infoValid) {
		switch (column) {
			case 0:
				if ( info->powerups & ( 1 << PW_NEUTRALFLAG ) ) {
					item = BG_FindItemForPowerup( PW_NEUTRALFLAG );
					*handle = cg_items[ ITEM_INDEX(item) ].icon;
				} else if ( info->powerups & ( 1 << PW_REDFLAG ) ) {
					item = BG_FindItemForPowerup( PW_REDFLAG );
					*handle = cg_items[ ITEM_INDEX(item) ].icon;
				} else if ( info->powerups & ( 1 << PW_BLUEFLAG ) ) {
					item = BG_FindItemForPowerup( PW_BLUEFLAG );
					*handle = cg_items[ ITEM_INDEX(item) ].icon;
				} else {
					if ( info->botSkill > 0 && info->botSkill <= 5 ) {
						*handle = cgs.media.botSkillShaders[ info->botSkill - 1 ];
					} else if ( info->handicap < 100 ) {
					return va("%i", info->handicap );
					}
				}
			break;
			case 1:
				if (team == -1) {
					return "";
				} else {
					*handle = CG_StatusHandle(info->teamTask);
				}
		  break;
			case 2:
				if ( cg.snap->ps.stats[ STAT_CLIENTS_READY ] & ( 1 << sp->client ) ) {
					return "Ready";
				}
				if (team == -1) {
					if (cgs.gametype == GT_TOURNAMENT) {
						return va("%i/%i", info->wins, info->losses);
					} else if (info->infoValid && info->team == TEAM_SPECTATOR ) {
						return "Spectator";
					} else {
						return "";
					}
				} else {
					if (info->teamLeader) {
						return "Leader";
					}
				}
			break;
			case 3:
				return info->name;
			break;
			case 4:
				return va("%i", info->score);
			break;
			case 5:
				return va("%4i", sp->time);
			break;
			case 6:
				if ( sp->ping == -1 ) {
					return "connecting";
				} 
				return va("%4i", sp->ping);
			break;
		}
	}

	return "";
}

static qhandle_t CG_FeederItemImage(float feederID, int index) {
	return 0;
}

static void CG_FeederSelection(float feederID, int index) {
	if ( cgs.gametype >= GT_TEAM ) {
		int i, count;
		int team = (feederID == FEEDER_REDTEAM_LIST) ? TEAM_RED : TEAM_BLUE;
		count = 0;
		for (i = 0; i < cg.numScores; i++) {
			if (cg.scores[i].team == team) {
				if (index == count) {
					cg.selectedScore = i;
				}
				count++;
			}
		}
	} else {
		cg.selectedScore = index;
	}
}
#endif

#ifdef MISSIONPACK // bk001204 - only needed there
static float CG_Cvar_Get(const char *cvar) {
	char buff[128];
	memset(buff, 0, sizeof(buff));
	trap_Cvar_VariableStringBuffer(cvar, buff, sizeof(buff));
	return atof(buff);
}
#endif

#ifdef MISSIONPACK
void CG_Text_PaintWithCursor(float x, float y, float scale, vec4_t color, const char *text, int cursorPos, char cursor, int limit, int style) {
	CG_Text_Paint(x, y, scale, color, text, 0, limit, style);
}

static int CG_OwnerDrawWidth(int ownerDraw, float scale) {
	switch (ownerDraw) {
	  case CG_GAME_TYPE:
			return CG_Text_Width(CG_GameTypeString(), scale, 0);
	  case CG_GAME_STATUS:
			return CG_Text_Width(CG_GetGameStatusText(), scale, 0);
			break;
	  case CG_KILLER:
			return CG_Text_Width(CG_GetKillerText(), scale, 0);
			break;
	  case CG_RED_NAME:
			return CG_Text_Width(cg_redTeamName.string, scale, 0);
			break;
	  case CG_BLUE_NAME:
			return CG_Text_Width(cg_blueTeamName.string, scale, 0);
			break;


	}
	return 0;
}

static int CG_PlayCinematic(const char *name, float x, float y, float w, float h) {
  return trap_CIN_PlayCinematic(name, x, y, w, h, CIN_loop);
}

static void CG_StopCinematic(int handle) {
  trap_CIN_StopCinematic(handle);
}

static void CG_DrawCinematic(int handle, float x, float y, float w, float h) {
  trap_CIN_SetExtents(handle, x, y, w, h);
  trap_CIN_DrawCinematic(handle);
}

static void CG_RunCinematicFrame(int handle) {
  trap_CIN_RunCinematic(handle);
}

/*
=================
CG_LoadHudMenu();

=================
*/
void CG_LoadHudMenu() {
	char buff[1024];
	const char *hudSet;

	cgDC.registerShaderNoMip = &trap_R_RegisterShaderNoMip;
	cgDC.setColor = &trap_R_SetColor;
	cgDC.drawHandlePic = &CG_DrawPic;
	cgDC.drawStretchPic = &trap_R_DrawStretchPic;
	cgDC.drawText = &CG_Text_Paint;
	cgDC.textWidth = &CG_Text_Width;
	cgDC.textHeight = &CG_Text_Height;
	cgDC.registerModel = &trap_R_RegisterModel;
	cgDC.modelBounds = &trap_R_ModelBounds;
	cgDC.fillRect = &CG_FillRect;
	cgDC.drawRect = &CG_DrawRect;   
	cgDC.drawSides = &CG_DrawSides;
	cgDC.drawTopBottom = &CG_DrawTopBottom;
	cgDC.clearScene = &trap_R_ClearScene;
	cgDC.addRefEntityToScene = &trap_R_AddRefEntityToScene;
	cgDC.renderScene = &trap_R_RenderScene;
	cgDC.registerFont = &trap_R_RegisterFont;
	cgDC.ownerDrawItem = &CG_OwnerDraw;
	cgDC.getValue = &CG_GetValue;
	cgDC.ownerDrawVisible = &CG_OwnerDrawVisible;
	cgDC.runScript = &CG_RunMenuScript;
	cgDC.getTeamColor = &CG_GetTeamColor;
	cgDC.setCVar = trap_Cvar_Set;
	cgDC.getCVarString = trap_Cvar_VariableStringBuffer;
	cgDC.getCVarValue = CG_Cvar_Get;
	cgDC.drawTextWithCursor = &CG_Text_PaintWithCursor;
	//cgDC.setOverstrikeMode = &trap_Key_SetOverstrikeMode;
	//cgDC.getOverstrikeMode = &trap_Key_GetOverstrikeMode;
	cgDC.startLocalSound = &trap_S_StartLocalSound;
	cgDC.ownerDrawHandleKey = &CG_OwnerDrawHandleKey;
	cgDC.feederCount = &CG_FeederCount;
	cgDC.feederItemImage = &CG_FeederItemImage;
	cgDC.feederItemText = &CG_FeederItemText;
	cgDC.feederSelection = &CG_FeederSelection;
	//cgDC.setBinding = &trap_Key_SetBinding;
	//cgDC.getBindingBuf = &trap_Key_GetBindingBuf;
	//cgDC.keynumToStringBuf = &trap_Key_KeynumToStringBuf;
	//cgDC.executeText = &trap_Cmd_ExecuteText;
	cgDC.Error = &Com_Error; 
	cgDC.Print = &Com_Printf; 
	cgDC.ownerDrawWidth = &CG_OwnerDrawWidth;
	//cgDC.Pause = &CG_Pause;
	cgDC.registerSound = &trap_S_RegisterSound;
	cgDC.startBackgroundTrack = &trap_S_StartBackgroundTrack;
	cgDC.stopBackgroundTrack = &trap_S_StopBackgroundTrack;
	cgDC.playCinematic = &CG_PlayCinematic;
	cgDC.stopCinematic = &CG_StopCinematic;
	cgDC.drawCinematic = &CG_DrawCinematic;
	cgDC.runCinematicFrame = &CG_RunCinematicFrame;
	
	Init_Display(&cgDC);

	Menu_Reset();
	
	trap_Cvar_VariableStringBuffer("cg_hudFiles", buff, sizeof(buff));
	hudSet = buff;
	if (hudSet[0] == '\0') {
		hudSet = "ui/hud.txt";
	}

	CG_LoadMenus(hudSet);
}

void CG_AssetCache() {
	//if (Assets.textFont == NULL) {
	//  trap_R_RegisterFont("fonts/arial.ttf", 72, &Assets.textFont);
	//}
	//Assets.background = trap_R_RegisterShaderNoMip( ASSET_BACKGROUND );
	//Com_Printf("Menu Size: %i bytes\n", sizeof(Menus));
	cgDC.Assets.gradientBar = trap_R_RegisterShaderNoMip( ASSET_GRADIENTBAR );
	cgDC.Assets.fxBasePic = trap_R_RegisterShaderNoMip( ART_FX_BASE );
	cgDC.Assets.fxPic[0] = trap_R_RegisterShaderNoMip( ART_FX_RED );
	cgDC.Assets.fxPic[1] = trap_R_RegisterShaderNoMip( ART_FX_YELLOW );
	cgDC.Assets.fxPic[2] = trap_R_RegisterShaderNoMip( ART_FX_GREEN );
	cgDC.Assets.fxPic[3] = trap_R_RegisterShaderNoMip( ART_FX_TEAL