R_GAMETYPE -> GID, remove unused supported flag and trim some unused bits of GAME

svn-id: r14793

12 files changed, 28 insertions, 62 deletions

diff --git a/saga/animation.cpp b/saga/animation.cpp
index fd59630aa8..2c12afafcd 100644
--- a/saga/animation.cpp
+++ b/saga/animation.cpp
@@ -96,7 +96,7 @@ int Anim::load(const byte *anim_resdata, size_t anim_resdata_len, uint16 *anim_i
 	new_anim->resdata = anim_resdata;
 	new_anim->resdata_len = anim_resdata_len;
 
-	if (GAME_GetGameType() == R_GAMETYPE_ITE) {
+	if (GAME_GetGameType() == GID_ITE) {
 		if (getNumFrames(anim_resdata, anim_resdata_len, &new_anim->n_frames) != R_SUCCESS) {
 			warning("Anim::load Couldn't get animation frame count");
 			return R_FAILURE;
@@ -198,7 +198,7 @@ int Anim::play(uint16 anim_id, int vector_time) {
 
 	if (anim->play_flag) {
 		frame = anim->current_frame;
-		if (GAME_GetGameType() == R_GAMETYPE_ITE) {
+		if (GAME_GetGameType() == GID_ITE) {
 			result = ITE_DecodeFrame(anim->resdata, anim->resdata_len, anim->frame_offsets[frame - 1], display_buf,
 									disp_info.logical_w * disp_info.logical_h);
 			if (result != R_SUCCESS) {
@@ -353,7 +353,7 @@ int Anim::freeId(uint16 anim_id) {
 		return R_FAILURE;
 	}
 
-	if (GAME_GetGameType() == R_GAMETYPE_ITE) {
+	if (GAME_GetGameType() == GID_ITE) {
 		free(anim->frame_offsets);
 		anim->frame_offsets = NULL;
 	}
@@ -391,7 +391,7 @@ int Anim::getNumFrames(const byte *anim_resource, size_t anim_resource_len, uint
 	ah.unknown07 = readS.readByte();
 	ah.nframes = readS.readByte();
 
-	if (GAME_GetGameType() == R_GAMETYPE_IHNM) {
+	if (GAME_GetGameType() == GID_IHNM) {
 		*n_frames = ah.nframes;
 	}
 
diff --git a/saga/game.cpp b/saga/game.cpp
index 831d439645..dff6a692ca 100644
--- a/saga/game.cpp
+++ b/saga/game.cpp
@@ -159,7 +159,7 @@ R_GAMEDESC GameDescs[] = {
 	// Inherit the earth - DOS Demo version
 	{
 		"ite-demo",
-		R_GAMETYPE_ITE,
+		GID_ITE,
 		R_GAME_ITE_DEMO, // Game id
 		"Inherit the Earth (DOS Demo)", // Game title
 		320, 200, // Logical resolution
@@ -171,14 +171,13 @@ R_GAMEDESC GameDescs[] = {
 		ARRAYSIZE(ITEDEMO_GameFonts),
 		ITEDEMO_GameFonts,
 		&ITEDEMO_GameSound,
-		0,
-		0 // Game supported flag
+		0 // features
 	},
 
 	// Inherit the earth - win32 Wyrmkeep Demo version
 	{
 		"ite-demo-win",
-		R_GAMETYPE_ITE,
+		GID_ITE,
 		R_GAME_ITE_WINDEMO,
 		"Inherit the Earth (Win32 Demo)",
 		320, 200,
@@ -190,7 +189,6 @@ R_GAMEDESC GameDescs[] = {
 		ARRAYSIZE(ITECD_GameFonts),
 		ITECD_GameFonts,
 		&ITECD_GameSound,
-		0,
 		0
 	},
 	
@@ -198,7 +196,7 @@ R_GAMEDESC GameDescs[] = {
 	// NOTE: it should be before floppy version
 	{
 		"itecd",
-		R_GAMETYPE_ITE,
+		GID_ITE,
 		R_GAME_ITE_CD,
 		"Inherit the Earth (DOS CD Version)",
 		320, 200,
@@ -210,14 +208,13 @@ R_GAMEDESC GameDescs[] = {
 		ARRAYSIZE(ITECD_GameFonts),
 		ITECD_GameFonts,
 		&ITECD_GameSound,
-		0,
-		1
+		0
 	},
 
 	// Inherit the earth - Disk version
 	{
 		"ite",
-		R_GAMETYPE_ITE,
+		GID_ITE,
 		R_GAME_ITE_DISK,
 		"Inherit the Earth (DOS)",
 		320, 200,
@@ -229,14 +226,13 @@ R_GAMEDESC GameDescs[] = {
 		ARRAYSIZE(ITEDISK_GameFonts),
 		ITEDISK_GameFonts,
 		&ITE_GameSound,
-		0,
-		1
+		0
 	},
 
 	// I Have No Mouth And I Must Scream - Demo version
 	{
 		"ihnm-demo",
-		R_GAMETYPE_IHNM,
+		GID_IHNM,
 		R_GAME_IHNM_DEMO,
 		"I Have No Mouth and I Must Scream (DOS Demo)",
 		640, 480,
@@ -248,14 +244,13 @@ R_GAMEDESC GameDescs[] = {
 		0,
 		NULL,
 		&IHNM_GameSound,
-		GF_DEFAULT_TO_1X_SCALER,
-		0
+		GF_DEFAULT_TO_1X_SCALER
 	},
 
 	// I Have No Mouth And I Must Scream - CD version
 	{
 		"ihnm",
-		R_GAMETYPE_IHNM,
+		GID_IHNM,
 		R_GAME_IHNM_CD,
 		"I Have No Mouth and I Must Scream (DOS)",
 		640, 480,
@@ -267,8 +262,7 @@ R_GAMEDESC GameDescs[] = {
 		ARRAYSIZE(IHNMCD_GameFonts),
 		IHNMCD_GameFonts,
 		&IHNM_GameSound,
-		GF_DEFAULT_TO_1X_SCALER,
-		1
+		GF_DEFAULT_TO_1X_SCALER
 	}
 };
 
@@ -316,22 +310,12 @@ int GAME_Init() {
 	game_dir = GameModule.game_dir;
 
 	if (DetectGame(game_dir, &game_n) != R_SUCCESS) {
-		GameModule.err_str = "No valid games were found in the specified directory.";
-		return R_FAILURE;
-	}
-
-	if (!GameDescs[game_n].gd_supported) {
-		GameModule.err_str = "This game is not currently supported.";
-		return R_FAILURE;
-	}
-
-	if (!GameDescs[game_n].gd_supported) {
-		GameModule.err_str = "This game is not currently supported.";
+		warning("No valid games were found in the specified directory.");
 		return R_FAILURE;
 	}
 
 	if (LoadGame(game_dir, game_n) != R_SUCCESS) {
-		GameModule.err_str = "Error loading game resource files.";
+		warning("Error loading game resource files.");
 		return R_FAILURE;
 	}
 
@@ -343,14 +327,13 @@ int GAME_Init() {
 
 int LoadLanguage() {
 	char lang_file[R_MAXPATH];
-//	char lang_path[R_MAXPATH];
 	uint16 game_n;
 
 	File test_file;
 
 	game_n = GameModule.game_number;
 
-	if (GameDescs[game_n].gd_game_type == R_GAMETYPE_ITE) {
+	if (GameDescs[game_n].gd_game_type == GID_ITE) {
 		snprintf(lang_file, R_MAXPATH, "%s%s.%s", R_GAME_ITE_LANG_PREFIX, GameModule.game_language, R_GAME_LANG_EXT);
 		if (!test_file.open(lang_file)) {
 			debug(0, "Couldn't open language file %s. Using default (US English)", lang_file);
@@ -379,14 +362,6 @@ int LoadLanguage() {
 	return R_SUCCESS;
 }
 
-int GAME_GetErrN() {
-	return 0;
-}
-
-const char *GAME_GetErrS() {
-	return GameModule.err_str == NULL ? "No error description." : GameModule.err_str;
-}
-
 int GAME_GetFileContext(R_RSCFILE_CONTEXT ** ctxt_p, uint16 r_type, int param) {
 	R_RSCFILE_CONTEXT *found_ctxt = NULL;
 	uint16 i;
diff --git a/saga/game.h b/saga/game.h
index 0e694cc4ad..0e7e585566 100644
--- a/saga/game.h
+++ b/saga/game.h
@@ -61,7 +61,6 @@ struct R_GAMEDESC {
 	R_GAME_FONTDESC *gd_fontdescs;
 	R_GAME_SOUNDINFO *gd_soundinfo;
 	uint32 features;
-	int gd_supported;
 
 	GameSettings toGameSettings() const {
 		GameSettings dummy = { name, gd_title, features };
diff --git a/saga/game_mod.h b/saga/game_mod.h
index 215b58ab61..c229627aca 100644
--- a/saga/game_mod.h
+++ b/saga/game_mod.h
@@ -30,11 +30,6 @@
 
 namespace Saga {
 
-enum R_GAME_BASETYPES {
-	R_GAMETYPE_ITE,
-	R_GAMETYPE_IHNM
-};
-
 enum R_GAME_IDS {
 	R_GAME_ITE_DEMO = 0,
 	R_GAME_ITE_DISK = 1,
@@ -109,9 +104,7 @@ int GAME_GetDisplayInfo(R_GAME_DISPLAYINFO *);
 int GAME_GetSceneInfo(R_GAME_SCENEDESC *);
 int GAME_GetGame();
 int GAME_GetGameType();
-int GAME_GetErrN();
 void GAME_setGameDirectory(const char *gamedir);
-const char *GAME_GetErrS();
 GameList GAME_GameList();
 DetectedGameList GAME_ProbeGame(const FSList &fslist);
 
diff --git a/saga/image.cpp b/saga/image.cpp
index 602545e235..80a732317d 100644
--- a/saga/image.cpp
+++ b/saga/image.cpp
@@ -92,7 +92,7 @@ int SagaEngine::decodeBGImage(const byte *image_data, size_t image_size,
 	unbankBGImage(out_buf, decode_buf, hdr.width, hdr.height);
 
 	// For some reason bg images in IHNM are upside down
-	if (GAME_GetGameType() == R_GAMETYPE_IHNM) {
+	if (GAME_GetGameType() == GID_IHNM) {
 		flipImage(out_buf, hdr.width, hdr.height);
 	}
 
diff --git a/saga/interface.cpp b/saga/interface.cpp
index f16dd19e50..ab438458d0 100644
--- a/saga/interface.cpp
+++ b/saga/interface.cpp
@@ -156,13 +156,13 @@ Interface::Interface(SagaEngine *vm) : _vm(vm), _initialized(false) {
 
 	// Initialize interface data by game type
 	game_type = GAME_GetGameType();
-	if (game_type == R_GAMETYPE_ITE) {
+	if (game_type == GID_ITE) {
 		// Load Inherit the Earth interface desc
 		_cPanel.buttons = ITE_c_buttons;
 		_cPanel.nbuttons = ARRAYSIZE(ITE_c_buttons);
 
 		_iDesc = ITE_interface;
-	} else if (game_type == R_GAMETYPE_IHNM) {
+	} else if (game_type == GID_IHNM) {
 		// Load I Have No Mouth interface desc
 		_cPanel.buttons = IHNM_c_buttons;
 		_cPanel.nbuttons = ARRAYSIZE(IHNM_c_buttons);
diff --git a/saga/music.cpp b/saga/music.cpp
index 1906543057..a1b87c4dab 100644
--- a/saga/music.cpp
+++ b/saga/music.cpp
@@ -210,7 +210,7 @@ int Music::play(uint32 music_rn, uint16 flags) {
 	File f_midi;
 	MidiParser *parser;
 
-	if (GAME_GetGameType() == R_GAMETYPE_ITE) {
+	if (GAME_GetGameType() == GID_ITE) {
 		if (music_rn >= 9 && music_rn <= 34) {
 			char file_name[20];
 			sprintf(file_name, "music/%s.mid", _midiTableITECD[music_rn - 9].filename);
diff --git a/saga/palanim.cpp b/saga/palanim.cpp
index c763680444..860333d8c5 100644
--- a/saga/palanim.cpp
+++ b/saga/palanim.cpp
@@ -56,7 +56,7 @@ int PalAnim::loadPalAnim(const byte *resdata, size_t resdata_len) {
 
 	MemoryReadStream readS(resdata, resdata_len);
 
-	if (GAME_GetGameType() == R_GAMETYPE_IHNM) {
+	if (GAME_GetGameType() == GID_IHNM) {
 		return R_SUCCESS;
 	}
 
diff --git a/saga/saga.cpp b/saga/saga.cpp
index df755caf3d..62950d937d 100644
--- a/saga/saga.cpp
+++ b/saga/saga.cpp
@@ -130,7 +130,6 @@ void SagaEngine::go() {
 
 	// Detect game and open resource files
 	if (GAME_Init() != R_SUCCESS) {
-		warning("Couldn't start the game: %s", GAME_GetErrS());
 		return;
 	}
 
diff --git a/saga/scene.cpp b/saga/scene.cpp
index 66bf9faaff..d7246e0473 100644
--- a/saga/scene.cpp
+++ b/saga/scene.cpp
@@ -179,10 +179,10 @@ int Scene::startScene() {
 	}
 
 	switch (GAME_GetGameType()) {
-	case R_GAMETYPE_ITE:
+	case GID_ITE:
 		ITEStartProc();
 		break;
-	case R_GAMETYPE_IHNM:
+	case GID_IHNM:
 		IHNMStartProc();
 		break;
 	default:
diff --git a/saga/script.cpp b/saga/script.cpp
index 7411f5b002..d2b25f699e 100644
--- a/saga/script.cpp
+++ b/saga/script.cpp
@@ -173,7 +173,7 @@ int Script::loadScript(int script_num) {
 	uint32 voicelut_rn;
 	int result;
 
-	if (GAME_GetGameType() == R_GAMETYPE_IHNM) {
+	if (GAME_GetGameType() == GID_IHNM) {
 		return R_SUCCESS;
 	}
 
diff --git a/saga/sndres.cpp b/saga/sndres.cpp
index 5fef6afd23..4efe99d95c 100644
--- a/saga/sndres.cpp
+++ b/saga/sndres.cpp
@@ -71,7 +71,7 @@ int SndRes::playVoice(uint32 voice_rn) {
 
 	File f;
 
-	if (GAME_GetGameType() == R_GAMETYPE_ITE && voice_rn == 4 && f.open("sound/p2_a.voc")) {
+	if (GAME_GetGameType() == GID_ITE && voice_rn == 4 && f.open("sound/p2_a.voc")) {
 		uint32 size = f.size();
 		byte *snd_res = (byte *)malloc(size);
 		f.read(snd_res, size);
@@ -228,7 +228,7 @@ int SndRes::getVoiceLength(uint32 voice_rn) {
 	// file, sound/p2_a.voc, to correct voice 4 in the intro. Use that, if
 	// available.
 
-	if (GAME_GetGameType() == R_GAMETYPE_ITE && voice_rn == 4 && f.open("sound/p2_a.voc")) {
+	if (GAME_GetGameType() == GID_ITE && voice_rn == 4 && f.open("sound/p2_a.voc")) {
 		length = f.size();
 		res_type = R_GAME_SOUND_VOC;
 		f.close();