cpp/openttd-patchpack/source Changeset - r18161:7dcc16c70ffe

Changeset - r18161:7dcc16c70ffe

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michi_cc - 13 years ago 2011-10-04 21:35:47
michi_cc@openttd.org

(svn r23000) -Feature: Base graphics sets can now specify a preferred blitter which OpenTTD uses to decide which blitter to load.

6 files changed with 47 insertions and 4 deletions:

docs/obg_format.txt

src/base_media_base.h

src/blitter/factory.hpp

src/driver.cpp

src/gfxinit.cpp

src/openttd.cpp

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docs/obg_format.txt

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@@ @@ -42,6 +42,8 @@ description = foo @@
 description.en_US = howdie
 ; palette used by the set; either DOS or Windows
 palette      = DOS
 ; preferred blitter, optional; either 8bpp (default) or 32bpp.
 blitter      = 8bpp
 ; The files section lists the files that replace sprites.
 ; The file names are case sensitive.

src/base_media_base.h

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@@ @@ -197,9 +197,16 @@ enum GraphicsFileType { @@
 	MAX_GFT       ///< We are looking for this amount of GRFs
 };
 /** Blitter type for base graphics sets. */
 enum BlitterType {
 	BLT_8BPP,       ///< Base set has 8 bpp sprites only.
 	BLT_32BPP,      ///< Base set has both 8 bpp and 32 bpp sprites.
 };
 /** All data of a graphics set. */
 struct GraphicsSet : BaseSet<GraphicsSet, MAX_GFT, BASESET_DIR> {
 	PaletteType palette;       ///< Palette of this graphics set
 	BlitterType blitter;       ///< Blitter of this graphics set
 	bool FillSetDetails(struct IniFile *ini, const char *path, const char *full_filename);
 };

src/blitter/factory.hpp

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@@ @@ -174,5 +174,6 @@ public: @@
 };
 extern char *_ini_blitter;
 extern bool _blitter_autodetected;
 #endif /* BLITTER_FACTORY_HPP */

src/driver.cpp

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@@ @@ -30,6 +30,7 @@ MusicDriver *_music_driver; ///< The cur @@
 char *_ini_musicdriver;     ///< The music driver a stored in the configuration file.
 char *_ini_blitter;         ///< The blitter as stored in the configuration file.
 bool _blitter_autodetected; ///< Was the blitter autodetected or specified by the user?
 /**
  * Get a string parameter the list of parameters.

src/gfxinit.cpp

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@@ @@ -15,12 +15,15 @@ @@
 #include "3rdparty/md5/md5.h"
 #include "fontcache.h"
 #include "gfx_func.h"
 #include "blitter/factory.hpp"
 #include "video/video_driver.hpp"
 /* The type of set we're replacing */
 #define SET_TYPE "graphics"
 #include "base_media_func.h"
 #include "table/sprites.h"
 #include "table/strings.h"
 /** Whether the given NewGRFs must get a palette remap from windows to DOS or not. */
 bool _palette_remap_grf[MAX_FILE_SLOTS];
@@ @@ -203,11 +206,32 @@ static void LoadSpriteTables() @@
+}
 /**
  * Check blitter needed by NewGRF config and switch if needed.
  */
 static void SwitchNewGRFBlitter()
+{
 	/* Get blitter of base set. */
 	bool is_32bpp = BaseGraphics::GetUsedSet()->blitter == BLT_32BPP;
 	/* A GRF would like a 32 bpp blitter, switch blitter if needed. Never switch if the blitter was specified by the user. */
 	if (_blitter_autodetected && is_32bpp && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() != 0 && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() < 16) {
 		const char *cur_blitter = BlitterFactoryBase::GetCurrentBlitter()->GetName();
 		if (BlitterFactoryBase::SelectBlitter("32bpp-anim") != NULL) {
 			if (!_video_driver->AfterBlitterChange()) {
 				/* Failed to switch blitter, let's hope we can return to the old one. */
 				if (BlitterFactoryBase::SelectBlitter(cur_blitter) == NULL || !_video_driver->AfterBlitterChange()) usererror("Failed to reinitialize video driver for 32 bpp blitter. Specify a fixed blitter in the config");
+			}
+		}
+	}
+}
 /** Initialise and load all the sprites. */
 void GfxLoadSprites()
+{
 	DEBUG(sprite, 2, "Loading sprite set %d", _settings_game.game_creation.landscape);
 	SwitchNewGRFBlitter();
 	GfxInitSpriteMem();
 	LoadSpriteTables();
 	GfxInitPalettes();
@@ @@ -224,6 +248,10 @@ bool GraphicsSet::FillSetDetails(IniFile @@
 		fetch_metadata("palette");
 		this->palette = (*item->value == 'D' || *item->value == 'd') ? PAL_DOS : PAL_WINDOWS;
 		/* Get optional blitter information. */
 		item = metadata->GetItem("blitter", false);
 		this->blitter = (item != NULL && *item->value == '3') ? BLT_32BPP : BLT_8BPP;
+	}
 	return ret;
+}

src/openttd.cpp

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@@ @@ -647,10 +647,14 @@ int ttd_main(int argc, char *argv[]) @@
 	DEBUG(misc, 1, "Loading blitter...");
 	if (blitter == NULL && _ini_blitter != NULL) blitter = strdup(_ini_blitter);
 	if (BlitterFactoryBase::SelectBlitter(blitter) == NULL) {
 		StrEmpty(blitter) ?
 			usererror("Failed to autoprobe blitter") :
 			usererror("Failed to select requested blitter '%s'; does it exist?", blitter);
 	_blitter_autodetected = StrEmpty(blitter);
 	/* If we have a 32 bpp base set, try to select the 32 bpp blitter first, but only if we autoprobe the blitter. */
 	if (!_blitter_autodetected || BaseGraphics::GetUsedSet()->blitter == BLT_8BPP || BlitterFactoryBase::SelectBlitter("32bpp-anim") == NULL) {
 		if (BlitterFactoryBase::SelectBlitter(blitter) == NULL) {
 			StrEmpty(blitter) ?
 				usererror("Failed to autoprobe blitter") :
 				usererror("Failed to select requested blitter '%s'; does it exist?", blitter);
+		}
+	}
 	free(blitter);

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