Add sprite-rendering test

Makefile

@@ -54,10 +54,13 @@ all: tests
 targets:
 	@echo "The targets are the same like for sparrow3d. :P"
 
+test-sprites: tests/test-sprites.c $(OBJ) makeBuildDir
+	$(CC) $(CFLAGS) $(LINK_FLAGS) $< $(OBJ) $(SDL) $(INCLUDE) $(LIB) $(EFEMMERA_STATIC) $(DYNAMIC) -o $(BUILD)/tests/$@$(SUFFIX)
+
 test-menu: tests/test-menu.c $(OBJ) makeBuildDir
 	$(CC) $(CFLAGS) $(LINK_FLAGS) $< $(OBJ) $(SDL) $(INCLUDE) $(LIB) $(EFEMMERA_STATIC) $(DYNAMIC) -o $(BUILD)/tests/$@$(SUFFIX)
 
-tests: test-menu
+tests: test-menu test-sprites
 	@echo "=== Tests built ==="
 #efemmera: main.c $(OBJ) makeBuildDir
 	#$(CC) $(CFLAGS) $(LINK_FLAGS) $< $(OBJ) $(SDL) $(INCLUDE) $(LIB) $(EFEMMERA_STATIC) $(DYNAMIC) -o $(BUILD)/$@$(SUFFIX)
@@ -76,6 +79,7 @@ clean:
 	rm -f *.o *.d
 	rm -f lib/*.d lib/*.o
 	rm -f $(BUILD)/tests/test-menu$(SUFFIX)
+	rm -f $(BUILD)/tests/test-sprites$(SUFFIX)
 	rm -f $(BUILD)/efemmera$(SUFFIX)
 
 oclean:

data/sprite/scientist.ssc

@@ -0,0 +1,89 @@
+# ssc files (sparrow sprite collection) are like other ini-files.
+# The file format is line based (every line one command).
+# comments begin with # - like this one - or with ;
+# every section (started with [ and ended with ]) is one sprite. The
+# name of the section is between [ and ]
+# Every key before the first section is for global keys. Every key
+# after the first section is a local key for the last defined sprite.
+# A key looks like this "keyname = keyvalue". The count of space between
+# doesn't matter. Only the name, the = and the value of the key are
+# important.
+
+# first some global defines.
+
+# the default sprite is the first defined or this one defined here:
+
+author = Ziz
+license = CC-BY-SA
+
+default = run right
+
+# if no image in the section is defined, this shall be the default. The
+# image is, where the parts are used from
+
+image = ./data/sprite/scientist.png
+
+# if no fps in the section is defined, this shall be the default.
+# The fps say, how long a sprite-frame is seeable. E.g. with fps = 24
+# every frame is 1000/24 ~ 42 ms seeable (internal it is always rounded
+# down, so it would be 41 ms per frame).
+
+fps = 10
+
+# if no framesize in the section is defined, this shall be the default.
+# The framesize is, how much you see, when you draw the sprite.
+
+framesize = 22, 46
+
+# if no bordersize in the section is defined, this shall be the default.
+# The bordersize is, how much is jumped, if you define multiply frames
+# at once (sprite sheet). Furthermore the sparrow3d rotozoom function is
+# a bit inaccurate. That means: a colorless border (pink is alpha color)
+# may prevent you from dirty artifacts.
+# The frame (with it framesize) is centered in the border!
+
+bordersize = 24, 48
+
+# Defining a new sprite:
+
+[stand right]
+
+# frame defines the frame(s) of the sprite. It can be just one frame
+# like here, multiply calls of frame or a third parameter as count of
+# the frames, which are loaded at once (a whole spritesheet at once).
+# If there is just one frame, obviously the fps doesn't matter.
+# The first both parameters are the x and y position of the border (!)
+# of the frame in the image.
+
+frame = 0, 0
+
+[stand left]
+frame = 0, 96
+
+[run right]
+
+# the default fps is used
+
+frame = 0, 0, 8
+
+[run left]
+frame = 0, 96, 8
+
+[push right]
+
+# the default fps (10) is to "fast" for the push animation, so we define
+# a own fps
+
+fps = 8
+frame = 24, 48, 6
+
+[push left]
+fps = 8
+frame = 24, 144, 6
+
+[jump right]
+frame = 0, 48
+
+[jump left]
+frame = 0, 144, 1
+

lib/font.c

@@ -45,6 +45,8 @@ resizeFont ( spFontPointer* font, char ttf_path[512] )
 	spFontAddBorder( *(font), 0 );
 	
 	//Have a look, how [S] in line 21 is drawn as a Button image.
+	spFontAddButton( *(font), 'A', SP_BUTTON_A_NAME, 65535,
+		         spGetRGB( 64, 64, 64 ) );
 	spFontAddButton( *(font), 'E', SP_BUTTON_SELECT_NAME, 65535,
 		         spGetRGB( 64, 64, 64 ) );
 	spFontAddButton( *(font), 'S', SP_BUTTON_START_NAME, 65535,

tests/test-sprites.c

@@ -0,0 +1,117 @@
+#include <sparrow3d.h>
+#include <string.h>
+#include "../lib/font.h"
+#include "test-sprites.h"
+
+SDL_Surface* screen = NULL;
+SDL_Surface* sprites_texture = NULL;
+
+spSpritePointer sprite;
+spSpriteCollectionPointer collection;
+
+// ============================================================================
+
+int
+main ( int argc, char **argv )
+{
+	init();
+	spLoop( draw_test, calc_test, 10, resize, NULL );
+
+	cleanup();
+	return 0;
+}
+
+// ============================================================================
+// TEST
+// ============================================================================
+// draw this whole sprite test (aka, simple background, text, and the sprites.)
+void
+draw_test ( void )
+{
+	spClearTarget( spGetRGB(64,64,64) );
+	spSelectRenderTarget(spGetWindowSurface());
+
+	screen = spGetWindowSurface();
+	sprite->zoomX *= -1;
+	sprite->zoomX = sprite->zoomY = spGetSizeFactor() ;
+	spDrawSprite( 4 * screen->w / 5, 5 * screen->h / 8, 0, sprite );
+
+	draw_hud( );
+
+	spFlip();
+}
+
+void
+draw_hud ( )
+{
+	spFontDrawMiddle( spGetWindowSurface()->w/2,
+			  spGetWindowSurface()->h
+			  - fonts[FN_COZETTE]->maxheight -2, 0,
+			  "Press [E] to exit", fonts[FN_COZETTE] );
+}
+
+// input for the sprite test
+int
+calc_test ( Uint32 steps )
+{
+	spUpdateSprite( sprite, steps );
+	if ( spGetInput()->button[SP_BUTTON_SELECT] )
+		return -1;
+	return 0;
+}
+
+void
+resize ( Uint16 w, Uint16 h )
+{
+	spSelectRenderTarget( spGetWindowSurface());
+	resizeFonts();
+}
+
+
+// ============================================================================
+// INIT
+// ============================================================================
+int
+init ( void )
+{
+	init_sparrow3d();
+	init_fonts();
+	init_sprites();
+	resize( spGetWindowSurface()->w, spGetWindowSurface()->h );
+}
+ 
+void
+init_fonts ( void )
+{
+	addFont("data/font/cozette-vector.ttf");
+	addFont("data/font/love_me_chain.ttf");
+}
+
+void
+init_sprites ( void )
+{
+	sprites_texture = spLoadSurface( "data/sprite/scientist.png" );
+	collection = spLoadSpriteCollection("data/sprite/scientist.ssc",sprites_texture);
+	sprite = spActiveSprite(collection);
+}
+
+void
+init_sparrow3d ( void )
+{
+	spSetDefaultWindowSize( 320, 240 );
+	spInitCore();
+	spCreateDefaultWindow();
+	spSetZSet(0);
+	spSetZTest(0);
+}
+
+
+// ============================================================================
+// CLEANUP
+// ============================================================================
+int
+cleanup ( void )
+{
+	cleanupFonts();
+	spQuitCore();
+}

tests/test-sprites.h

@@ -0,0 +1,26 @@
+#include <sparrow3d.h>
+
+#define FN_COZETTE	0
+#define FN_LOVEMECHAIN	1
+#define SF_TAMBORINE	0
+#define SF_EEUH		1
+
+SDL_Surface* screen;
+SDL_Surface* sprites;
+
+spSpritePointer sprite;
+spSpriteCollectionPointer collection;
+
+int  calc_test		( Uint32 );
+void draw_test		( void );
+void draw_hud		( void );
+void resize		( Uint16, Uint16 );
+
+int init		( void );
+
+void init_sprites	( void );
+void init_fonts		( void );
+void init_sounds	( void );
+void init_sparrow3d	( void );
+
+int cleanup		( void );