* Branch upstream ioq3-r437 into trunk

1 files changed, 543 insertions, 0 deletions

diff --git a/ioq3-r437/src/botlib/be_ai_weap.c b/ioq3-r437/src/botlib/be_ai_weap.c
new file mode 100644
index 00000000..56aabcc2
--- /dev/null
+++ b/ioq3-r437/src/botlib/be_ai_weap.c
@@ -0,0 +1,543 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Quake III Arena source code; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+/*****************************************************************************
+ * name:		be_ai_weap.c
+ *
+ * desc:		weapon AI
+ *
+ * $Archive: /MissionPack/code/botlib/be_ai_weap.c $
+ *
+ *****************************************************************************/
+
+#include "../qcommon/q_shared.h"
+#include "l_libvar.h"
+#include "l_log.h"
+#include "l_memory.h"
+#include "l_utils.h"
+#include "l_script.h"
+#include "l_precomp.h"
+#include "l_struct.h"
+#include "aasfile.h"
+#include "botlib.h"
+#include "be_aas.h"
+#include "be_aas_funcs.h"
+#include "be_interface.h"
+#include "be_ai_weight.h"		//fuzzy weights
+#include "be_ai_weap.h"
+
+//#define DEBUG_AI_WEAP
+
+//structure field offsets
+#define WEAPON_OFS(x) (int)&(((weaponinfo_t *)0)->x)
+#define PROJECTILE_OFS(x) (int)&(((projectileinfo_t *)0)->x)
+
+//weapon definition // bk001212 - static
+static fielddef_t weaponinfo_fields[] =
+{
+{"number", WEAPON_OFS(number), FT_INT},						//weapon number
+{"name", WEAPON_OFS(name), FT_STRING},							//name of the weapon
+{"level", WEAPON_OFS(level), FT_INT},
+{"model", WEAPON_OFS(model), FT_STRING},						//model of the weapon
+{"weaponindex", WEAPON_OFS(weaponindex), FT_INT},			//index of weapon in inventory
+{"flags", WEAPON_OFS(flags), FT_INT},							//special flags
+{"projectile", WEAPON_OFS(projectile), FT_STRING},			//projectile used by the weapon
+{"numprojectiles", WEAPON_OFS(numprojectiles), FT_INT},	//number of projectiles
+{"hspread", WEAPON_OFS(hspread), FT_FLOAT},					//horizontal spread of projectiles (degrees from middle)
+{"vspread", WEAPON_OFS(vspread), FT_FLOAT},					//vertical spread of projectiles (degrees from middle)
+{"speed", WEAPON_OFS(speed), FT_FLOAT},						//speed of the projectile (0 = instant hit)
+{"acceleration", WEAPON_OFS(acceleration), FT_FLOAT},		//"acceleration" * time (in seconds) + "speed" = projectile speed
+{"recoil", WEAPON_OFS(recoil), FT_FLOAT|FT_ARRAY, 3},		//amount of recoil the player gets from the weapon
+{"offset", WEAPON_OFS(offset), FT_FLOAT|FT_ARRAY, 3},		//projectile start offset relative to eye and view angles
+{"angleoffset", WEAPON_OFS(angleoffset), FT_FLOAT|FT_ARRAY, 3},//offset of the shoot angles relative to the view angles
+{"extrazvelocity", WEAPON_OFS(extrazvelocity), FT_FLOAT},//extra z velocity the projectile gets
+{"ammoamount", WEAPON_OFS(ammoamount), FT_INT},				//ammo amount used per shot
+{"ammoindex", WEAPON_OFS(ammoindex), FT_INT},				//index of ammo in inventory
+{"activate", WEAPON_OFS(activate), FT_FLOAT},				//time it takes to select the weapon
+{"reload", WEAPON_OFS(reload), FT_FLOAT},						//time it takes to reload the weapon
+{"spinup", WEAPON_OFS(spinup), FT_FLOAT},						//time it takes before first shot
+{"spindown", WEAPON_OFS(spindown), FT_FLOAT},				//time it takes before weapon stops firing
+{NULL, 0, 0, 0}
+};
+
+//projectile definition
+static fielddef_t projectileinfo_fields[] =
+{
+{"name", PROJECTILE_OFS(name), FT_STRING},					//name of the projectile
+{"model", WEAPON_OFS(model), FT_STRING},						//model of the projectile
+{"flags", PROJECTILE_OFS(flags), FT_INT},						//special flags
+{"gravity", PROJECTILE_OFS(gravity), FT_FLOAT},				//amount of gravity applied to the projectile [0,1]
+{"damage", PROJECTILE_OFS(damage), FT_INT},					//damage of the projectile
+{"radius", PROJECTILE_OFS(radius), FT_FLOAT},				//radius of damage
+{"visdamage", PROJECTILE_OFS(visdamage), FT_INT},			//damage of the projectile to visible entities
+{"damagetype", PROJECTILE_OFS(damagetype), FT_INT},		//type of damage (combination of the DAMAGETYPE_? flags)
+{"healthinc", PROJECTILE_OFS(healthinc), FT_INT},			//health increase the owner gets
+{"push", PROJECTILE_OFS(push), FT_FLOAT},						//amount a player is pushed away from the projectile impact
+{"detonation", PROJECTILE_OFS(detonation), FT_FLOAT},		//time before projectile explodes after fire pressed
+{"bounce", PROJECTILE_OFS(bounce), FT_FLOAT},				//amount the projectile bounces
+{"bouncefric", PROJECTILE_OFS(bouncefric), FT_FLOAT}, 	//amount the bounce decreases per bounce
+{"bouncestop", PROJECTILE_OFS(bouncestop), FT_FLOAT},		//minimum bounce value before bouncing stops
+//recurive projectile definition??
+{NULL, 0, 0, 0}
+};
+
+static structdef_t weaponinfo_struct =
+{
+	sizeof(weaponinfo_t), weaponinfo_fields
+};
+static structdef_t projectileinfo_struct =
+{
+	sizeof(projectileinfo_t), projectileinfo_fields
+};
+
+//weapon configuration: set of weapons with projectiles
+typedef struct weaponconfig_s
+{
+	int numweapons;
+	int numprojectiles;
+	projectileinfo_t *projectileinfo;
+	weaponinfo_t *weaponinfo;
+} weaponconfig_t;
+
+//the bot weapon state
+typedef struct bot_weaponstate_s
+{
+	struct weightconfig_s *weaponweightconfig;		//weapon weight configuration
+	int *weaponweightindex;							//weapon weight index
+} bot_weaponstate_t;
+
+static bot_weaponstate_t *botweaponstates[MAX_CLIENTS+1];
+static weaponconfig_t *weaponconfig;
+
+//========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//========================================================================
+int BotValidWeaponNumber(int weaponnum)
+{
+	if (weaponnum <= 0 || weaponnum > weaponconfig->numweapons)
+	{
+		botimport.Print(PRT_ERROR, "weapon number out of range\n");
+		return qfalse;
+	} //end if
+	return qtrue;
+} //end of the function BotValidWeaponNumber
+//========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//========================================================================
+bot_weaponstate_t *BotWeaponStateFromHandle(int handle)
+{
+	if (handle <= 0 || handle > MAX_CLIENTS)
+	{
+		botimport.Print(PRT_FATAL, "move state handle %d out of range\n", handle);
+		return NULL;
+	} //end if
+	if (!botweaponstates[handle])
+	{
+		botimport.Print(PRT_FATAL, "invalid move state %d\n", handle);
+		return NULL;
+	} //end if
+	return botweaponstates[handle];
+} //end of the function BotWeaponStateFromHandle
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+#ifdef DEBUG_AI_WEAP
+void DumpWeaponConfig(weaponconfig_t *wc)
+{
+	FILE *fp;
+	int i;
+
+	fp = Log_FileStruct();
+	if (!fp) return;
+	for (i = 0; i < wc->numprojectiles; i++)
+	{
+		WriteStructure(fp, &projectileinfo_struct, (char *) &wc->projectileinfo[i]);
+		Log_Flush();
+	} //end for
+	for (i = 0; i < wc->numweapons; i++)
+	{
+		WriteStructure(fp, &weaponinfo_struct, (char *) &wc->weaponinfo[i]);
+		Log_Flush();
+	} //end for
+} //end of the function DumpWeaponConfig
+#endif //DEBUG_AI_WEAP
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+weaponconfig_t *LoadWeaponConfig(char *filename)
+{
+	int max_weaponinfo, max_projectileinfo;
+	token_t token;
+	char path[MAX_PATH];
+	int i, j;
+	source_t *source;
+	weaponconfig_t *wc;
+	weaponinfo_t weaponinfo;
+
+	max_weaponinfo = (int) LibVarValue("max_weaponinfo", "32");
+	if (max_weaponinfo < 0)
+	{
+		botimport.Print(PRT_ERROR, "max_weaponinfo = %d\n", max_weaponinfo);
+		max_weaponinfo = 32;
+		LibVarSet("max_weaponinfo", "32");
+	} //end if
+	max_projectileinfo = (int) LibVarValue("max_projectileinfo", "32");
+	if (max_projectileinfo < 0)
+	{
+		botimport.Print(PRT_ERROR, "max_projectileinfo = %d\n", max_projectileinfo);
+		max_projectileinfo = 32;
+		LibVarSet("max_projectileinfo", "32");
+	} //end if
+	strncpy(path, filename, MAX_PATH);
+	PC_SetBaseFolder(BOTFILESBASEFOLDER);
+	source = LoadSourceFile(path);
+	if (!source)
+	{
+		botimport.Print(PRT_ERROR, "counldn't load %s\n", path);
+		return NULL;
+	} //end if
+	//initialize weapon config
+	wc = (weaponconfig_t *) GetClearedHunkMemory(sizeof(weaponconfig_t) +
+										max_weaponinfo * sizeof(weaponinfo_t) +
+										max_projectileinfo * sizeof(projectileinfo_t));
+	wc->weaponinfo = (weaponinfo_t *) ((char *) wc + sizeof(weaponconfig_t));
+	wc->projectileinfo = (projectileinfo_t *) ((char *) wc->weaponinfo +
+										max_weaponinfo * sizeof(weaponinfo_t));
+	wc->numweapons = max_weaponinfo;
+	wc->numprojectiles = 0;
+	//parse the source file
+	while(PC_ReadToken(source, &token))
+	{
+		if (!strcmp(token.string, "weaponinfo"))
+		{
+			Com_Memset(&weaponinfo, 0, sizeof(weaponinfo_t));
+			if (!ReadStructure(source, &weaponinfo_struct, (char *) &weaponinfo))
+			{
+				FreeMemory(wc);
+				FreeSource(source);
+				return NULL;
+			} //end if
+			if (weaponinfo.number < 0 || weaponinfo.number >= max_weaponinfo)
+			{
+				botimport.Print(PRT_ERROR, "weapon info number %d out of range in %s\n", weaponinfo.number, path);
+				FreeMemory(wc);
+				FreeSource(source);
+				return NULL;
+			} //end if
+			Com_Memcpy(&wc->weaponinfo[weaponinfo.number], &weaponinfo, sizeof(weaponinfo_t));
+			wc->weaponinfo[weaponinfo.number].valid = qtrue;
+		} //end if
+		else if (!strcmp(token.string, "projectileinfo"))
+		{
+			if (wc->numprojectiles >= max_projectileinfo)
+			{
+				botimport.Print(PRT_ERROR, "more than %d projectiles defined in %s\n", max_projectileinfo, path);
+				FreeMemory(wc);
+				FreeSource(source);
+				return NULL;
+			} //end if
+			Com_Memset(&wc->projectileinfo[wc->numprojectiles], 0, sizeof(projectileinfo_t));
+			if (!ReadStructure(source, &projectileinfo_struct, (char *) &wc->projectileinfo[wc->numprojectiles]))
+			{
+				FreeMemory(wc);
+				FreeSource(source);
+				return NULL;
+			} //end if
+			wc->numprojectiles++;
+		} //end if
+		else
+		{
+			botimport.Print(PRT_ERROR, "unknown definition %s in %s\n", token.string, path);
+			FreeMemory(wc);
+			FreeSource(source);
+			return NULL;
+		} //end else
+	} //end while
+	FreeSource(source);
+	//fix up weapons
+	for (i = 0; i < wc->numweapons; i++)
+	{
+		if (!wc->weaponinfo[i].valid) continue;
+		if (!wc->weaponinfo[i].name[0])
+		{
+			botimport.Print(PRT_ERROR, "weapon %d has no name in %s\n", i, path);
+			FreeMemory(wc);
+			return NULL;
+		} //end if
+		if (!wc->weaponinfo[i].projectile[0])
+		{
+			botimport.Print(PRT_ERROR, "weapon %s has no projectile in %s\n", wc->weaponinfo[i].name, path);
+			FreeMemory(wc);
+			return NULL;
+		} //end if
+		//find the projectile info and copy it to the weapon info
+		for (j = 0; j < wc->numprojectiles; j++)
+		{
+			if (!strcmp(wc->projectileinfo[j].name, wc->weaponinfo[i].projectile))
+			{
+				Com_Memcpy(&wc->weaponinfo[i].proj, &wc->projectileinfo[j], sizeof(projectileinfo_t));
+				break;
+			} //end if
+		} //end for
+		if (j == wc->numprojectiles)
+		{
+			botimport.Print(PRT_ERROR, "weapon %s uses undefined projectile in %s\n", wc->weaponinfo[i].name, path);
+			FreeMemory(wc);
+			return NULL;
+		} //end if
+	} //end for
+	if (!wc->numweapons) botimport.Print(PRT_WARNING, "no weapon info loaded\n");
+	botimport.Print(PRT_MESSAGE, "loaded %s\n", path);
+	return wc;
+} //end of the function LoadWeaponConfig
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+int *WeaponWeightIndex(weightconfig_t *wwc, weaponconfig_t *wc)
+{
+	int *index, i;
+
+	//initialize item weight index
+	index = (int *) GetClearedMemory(sizeof(int) * wc->numweapons);
+
+	for (i = 0; i < wc->numweapons; i++)
+	{
+		index[i] = FindFuzzyWeight(wwc, wc->weaponinfo[i].name);
+	} //end for
+	return index;
+} //end of the function WeaponWeightIndex
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+void BotFreeWeaponWeights(int weaponstate)
+{
+	bot_weaponstate_t *ws;
+
+	ws = BotWeaponStateFromHandle(weaponstate);
+	if (!ws) return;
+	if (ws->weaponweightconfig) FreeWeightConfig(ws->weaponweightconfig);
+	if (ws->weaponweightindex) FreeMemory(ws->weaponweightindex);
+} //end of the function BotFreeWeaponWeights
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+int BotLoadWeaponWeights(int weaponstate, char *filename)
+{
+	bot_weaponstate_t *ws;
+
+	ws = BotWeaponStateFromHandle(weaponstate);
+	if (!ws) return BLERR_CANNOTLOADWEAPONWEIGHTS;
+	BotFreeWeaponWeights(weaponstate);
+	//
+	ws->weaponweightconfig = ReadWeightConfig(filename);
+	if (!ws->weaponweightconfig)
+	{
+		botimport.Print(PRT_FATAL, "couldn't load weapon config %s\n", filename);
+		return BLERR_CANNOTLOADWEAPONWEIGHTS;
+	} //end if
+	if (!weaponconfig) return BLERR_CANNOTLOADWEAPONCONFIG;
+	ws->weaponweightindex = WeaponWeightIndex(ws->weaponweightconfig, weaponconfig);
+	return BLERR_NOERROR;
+} //end of the function BotLoadWeaponWeights
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+void BotGetWeaponInfo(int weaponstate, int weapon, weaponinfo_t *weaponinfo)
+{
+	bot_weaponstate_t *ws;
+
+	if (!BotValidWeaponNumber(weapon)) return;
+	ws = BotWeaponStateFromHandle(weaponstate);
+	if (!ws) return;
+	if (!weaponconfig) return;
+	Com_Memcpy(weaponinfo, &weaponconfig->weaponinfo[weapon], sizeof(weaponinfo_t));
+} //end of the function BotGetWeaponInfo
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+int BotChooseBestFightWeapon(int weaponstate, int *inventory)
+{
+	int i, index, bestweapon;
+	float weight, bestweight;
+	weaponconfig_t *wc;
+	bot_weaponstate_t *ws;
+
+	ws = BotWeaponStateFromHandle(weaponstate);
+	if (!ws) return 0;
+	wc = weaponconfig;
+	if (!weaponconfig) return 0;
+
+	//if the bot has no weapon weight configuration
+	if (!ws->weaponweightconfig) return 0;
+
+	bestweight = 0;
+	bestweapon = 0;
+	for (i = 0; i < wc->numweapons; i++)
+	{
+		if (!wc->weaponinfo[i].valid) continue;
+		index = ws->weaponweightindex[i];
+		if (index < 0) continue;
+		weight = FuzzyWeight(inventory, ws->weaponweightconfig, index);
+		if (weight > bestweight)
+		{
+			bestweight = weight;
+			bestweapon = i;
+		} //end if
+	} //end for
+	return bestweapon;
+} //end of the function BotChooseBestFightWeapon
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+void BotResetWeaponState(int weaponstate)
+{
+	struct weightconfig_s *weaponweightconfig;
+	int *weaponweightindex;
+	bot_weaponstate_t *ws;
+
+	ws = BotWeaponStateFromHandle(weaponstate);
+	if (!ws) return;
+	weaponweightconfig = ws->weaponweightconfig;
+	weaponweightindex = ws->weaponweightindex;
+
+	//Com_Memset(ws, 0, sizeof(bot_weaponstate_t));
+	ws->weaponweightconfig = weaponweightconfig;
+	ws->weaponweightindex = weaponweightindex;
+} //end of the function BotResetWeaponState
+//========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//========================================================================
+int BotAllocWeaponState(void)
+{
+	int i;
+
+	for (i = 1; i <= MAX_CLIENTS; i++)
+	{
+		if (!botweaponstates[i])
+		{
+			botweaponstates[i] = GetClearedMemory(sizeof(bot_weaponstate_t));
+			return i;
+		} //end if
+	} //end for
+	return 0;
+} //end of the function BotAllocWeaponState
+//========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//========================================================================
+void BotFreeWeaponState(int handle)
+{
+	if (handle <= 0 || handle > MAX_CLIENTS)
+	{
+		botimport.Print(PRT_FATAL, "move state handle %d out of range\n", handle);
+		return;
+	} //end if
+	if (!botweaponstates[handle])
+	{
+		botimport.Print(PRT_FATAL, "invalid move state %d\n", handle);
+		return;
+	} //end if
+	BotFreeWeaponWeights(handle);
+	FreeMemory(botweaponstates[handle]);
+	botweaponstates[handle] = NULL;
+} //end of the function BotFreeWeaponState
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+int BotSetupWeaponAI(void)
+{
+	char *file;
+
+	file = LibVarString("weaponconfig", "weapons.c");
+	weaponconfig = LoadWeaponConfig(file);
+	if (!weaponconfig)
+	{
+		botimport.Print(PRT_FATAL, "couldn't load the weapon config\n");
+		return BLERR_CANNOTLOADWEAPONCONFIG;
+	} //end if
+
+#ifdef DEBUG_AI_WEAP
+	DumpWeaponConfig(weaponconfig);
+#endif //DEBUG_AI_WEAP
+	//
+	return BLERR_NOERROR;
+} //end of the function BotSetupWeaponAI
+//===========================================================================
+//
+// Parameter:				-
+// Returns:					-
+// Changes Globals:		-
+//===========================================================================
+void BotShutdownWeaponAI(void)
+{
+	int i;
+
+	if (weaponconfig) FreeMemory(weaponconfig);
+	weaponconfig = NULL;
+
+	for (i = 1; i <= MAX_CLIENTS; i++)
+	{
+		if (botweaponstates[i])
+		{
+			BotFreeWeaponState(i);
+		} //end if
+	} //end for
+} //end of the function BotShutdownWeaponAI
+