Added charviewer

.gitignore

@@ -1 +1,3 @@
 ./build/*
+.aider*
+*~

include/controller.h

@@ -0,0 +1,12 @@
+#ifndef _GAMEPAD_H_
+#define _GAMEPAD_H_
+
+#include <SDL3/SDL.h>
+#include <sdlerror.h>
+
+ErrorContext ERROR_NOIGNORE *gamepad_handle_button_down(void *appstate, SDL_Event *event);
+ErrorContext ERROR_NOIGNORE *gamepad_handle_button_up(void *appstate, SDL_Event *event);
+ErrorContext ERROR_NOIGNORE *gamepad_handle_added(void *appstate, SDL_Event *event);
+ErrorContext ERROR_NOIGNORE *gamepad_handle_removed(void *appstate, SDL_Event *event);
+
+#endif // _GAMEPAD_H_

tests/charviewer.c

@@ -0,0 +1,124 @@
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include <SDL3/SDL_properties.h>
+#include <SDL3_image/SDL_image.h>
+#include <SDL3_mixer/SDL_mixer.h>
+
+#include <sdlerror.h>
+#include <sdl3game/assets.h>
+#include <sdl3game/iterator.h>
+#include <sdl3game/tilemap.h>
+#include <sdl3game/heap.h>
+#include <sdl3game/game.h>
+#include <sdl3game/controller.h>
+#include <sdl3game/draw.h>
+#include <sdl3game/sprite.h>
+#include <sdl3game/actor.h>
+#include <sdl3game/registry.h>
+
+int numsprites = 8;
+char *spritepaths[] = {
+  "assets/sprites/little_guy_walking_left.json",
+  "assets/sprites/little_guy_walking_right.json",
+  "assets/sprites/little_guy_walking_up.json",
+  "assets/sprites/little_guy_walking_down.json",
+  "assets/sprites/little_guy_facing_left.json",
+  "assets/sprites/little_guy_facing_right.json",
+  "assets/sprites/little_guy_facing_up.json",
+  "assets/sprites/little_guy_facing_down.json"
+};
+
+int main(void)
+{
+    PREPARE_ERROR(errctx);
+    SDL3GControlMap *controlmap;
+    actor *actorptr = NULL;
+    
+    ATTEMPT {
+   
+	SDL_SetAppMetadata("SDL3-GameTest", "0.1", "net.aklabs.sdl3-gametest");
+    
+	if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_AUDIO )) {
+	    FAIL_BREAK(errctx, ERR_SDL, "Couldn't initialize SDL: %s", SDL_GetError());
+	}
+    
+	if (!SDL_CreateWindowAndRenderer("net/aklabs/libsdl3game/test_sprite", 640, 480, 0, &window, &renderer)) {
+	    FAIL_BREAK(errctx, ERR_SDL, "Couldn't create window/renderer: %s", SDL_GetError());
+	}
+
+	CATCH(errctx, heap_init());
+	CATCH(errctx, registry_init());
+
+	strcpy((char *)&game.name, "charviewer");
+	strcpy((char *)&game.version, "0.0.1");
+	strcpy((char *)&game.uri, "net.aklabs.libsdl3game.charviewer");
+	game.screenwidth = 640;
+	game.screenheight = 480;
+	
+	CATCH(errctx, GAME_init());
+
+	for ( int i = 0; i < numsprites ; i++) {
+	    CATCH(errctx, sprite_load_json(spritepaths[i]));
+	}
+	CATCH(errctx, character_load_json("assets/characters/littleguy.json"));
+	CATCH(errctx, heap_next_actor(&actorptr));
+	CATCH(errctx, actor_initialize((actor *)actorptr, "player"));
+	actorptr->basechar = SDL_GetPointerProperty(
+	    REGISTRY_CHARACTER,
+	    "little guy",
+	    NULL);
+	FAIL_ZERO_BREAK(errctx, actorptr->basechar, ERR_REGISTRY, "Can't load character 'little guy' from the registry");
+	actorptr->movement_controls_face = false;
+	actorptr->state = (ACTOR_STATE_ALIVE | ACTOR_STATE_FACE_LEFT);
+	actorptr->x = 320;
+	actorptr->y = 240;
+	actorptr->visible = true;
+
+	// set up the control map
+	controlmap = &GAME_ControlMaps[0];
+	controlmap->kbid = 0;
+	controlmap->target = SDL_GetPointerProperty(REGISTRY_ACTOR, "player", NULL);
+	// Move down
+	controlmap->controls[0].key = SDLK_DOWN;
+	//controlmap->controls[0].target_state_gate = ACTOR_STATE_MOVING_DOWN;
+	controlmap->controls[0].target_add_state_on = ACTOR_STATE_MOVING_DOWN | ACTOR_STATE_FACE_DOWN;
+	controlmap->controls[0].target_del_state_on = ACTOR_STATE_MOVING_UP | ACTOR_STATE_FACE_ALL;
+	controlmap->controls[0].target_del_state_off = ACTOR_STATE_MOVING_DOWN;
+	controlmap->controls[0].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[0].event_off = SDL_EVENT_KEY_UP;
+
+	// Move up
+	controlmap->controls[1].key = SDLK_UP;
+	//controlmap->controls[1].target_state_gate = ACTOR_STATE_MOVING_UP;
+	controlmap->controls[1].target_add_state_on = ACTOR_STATE_MOVING_UP | ACTOR_STATE_FACE_UP;
+	controlmap->controls[1].target_del_state_on = ACTOR_STATE_MOVING_DOWN | ACTOR_STATE_FACE_ALL;
+	controlmap->controls[1].target_del_state_off = ACTOR_STATE_MOVING_UP;
+	controlmap->controls[1].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[1].event_off = SDL_EVENT_KEY_UP;
+	
+	// Move left
+	controlmap->controls[2].key = SDLK_LEFT;
+	//controlmap->controls[2].target_state_gate = ACTOR_STATE_MOVING_LEFT;
+	controlmap->controls[2].target_add_state_on = ACTOR_STATE_MOVING_LEFT | ACTOR_STATE_FACE_LEFT;
+	controlmap->controls[2].target_del_state_on = ACTOR_STATE_MOVING_RIGHT | ACTOR_STATE_FACE_ALL;
+	controlmap->controls[2].target_del_state_off = ACTOR_STATE_MOVING_LEFT;
+	controlmap->controls[2].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[2].event_off = SDL_EVENT_KEY_UP;
+	
+	// Move right
+	controlmap->controls[3].key = SDLK_RIGHT;
+	//controlmap->controls[3].target_state_gate = ACTOR_STATE_MOVING_RIGHT;
+	controlmap->controls[3].target_add_state_on = ACTOR_STATE_MOVING_RIGHT | ACTOR_STATE_FACE_RIGHT;
+	controlmap->controls[3].target_del_state_on = ACTOR_STATE_MOVING_LEFT | ACTOR_STATE_FACE_ALL;
+	controlmap->controls[3].target_del_state_off = ACTOR_STATE_MOVING_RIGHT;	    
+	controlmap->controls[3].event_on = SDL_EVENT_KEY_DOWN;
+	controlmap->controls[3].event_off = SDL_EVENT_KEY_UP;
+    } CLEANUP {
+    } PROCESS(errctx) {
+    } HANDLE_DEFAULT(errctx) {
+	LOG_ERROR(errctx);
+	return 1;
+    } FINISH_NORETURN(errctx);
+      
+    return 0;
+}

util/assets/little_guy_facing_down.json

@@ -0,0 +1,16 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy facing down",
+    "width": 48,
+    "height": 48,
+    "speed": 0,
+    "loop": false,
+    "loopReverse": false,
+    "frames": [
+	1
+    ]
+}

util/assets/little_guy_facing_left.json

@@ -0,0 +1,16 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy facing left",
+    "width": 48,
+    "height": 48,
+    "speed": 0,
+    "loop": false,
+    "loopReverse": false,
+    "frames": [
+	13
+    ]
+}

util/assets/little_guy_facing_right.json

@@ -0,0 +1,16 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy facing right",
+    "width": 48,
+    "height": 48,
+    "speed": 0,
+    "loop": false,
+    "loopReverse": false,
+    "frames": [
+	25
+    ]
+}

util/assets/little_guy_facing_up.json

@@ -0,0 +1,16 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy facing up",
+    "width": 48,
+    "height": 48,
+    "speed": 0,
+    "loop": false,
+    "loopReverse": false,
+    "frames": [
+	37
+    ]
+}

util/assets/little_guy_walking_down.json

@@ -0,0 +1,18 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy walking down",
+    "width": 48,
+    "height": 48,
+    "speed": 1000,
+    "loop": true,
+    "loopReverse": true,
+    "frames": [
+	0,
+	1,
+	2
+    ]
+}

util/assets/little_guy_walking_left.json

@@ -0,0 +1,18 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy walking left",
+    "width": 48,
+    "height": 48,
+    "speed": 1000,
+    "loop": true,
+    "loopReverse": true,
+    "frames": [
+	12,
+	13,
+	14
+    ]
+}

util/assets/little_guy_walking_right.json

@@ -0,0 +1,18 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy walking right",
+    "width": 48,
+    "height": 48,
+    "speed": 1000,
+    "loop": true,
+    "loopReverse": true,
+    "frames": [
+	24,
+	25,
+	26
+    ]
+}

util/assets/little_guy_walking_up.json

@@ -0,0 +1,18 @@
+{
+    "spritesheet": {
+	"filename": "../assets/Actor1.png",
+	"frame_width": 48,
+	"frame_height": 48
+    },
+    "name": "little guy walking up",
+    "width": 48,
+    "height": 48,
+    "speed": 1000,
+    "loop": true,
+    "loopReverse": true,
+    "frames": [
+	36,
+	37,
+	38
+    ]
+}

util/assets/littleguy.json

@@ -0,0 +1,68 @@
+{
+    "name": "little guy",
+    "movementspeed": 1,
+    "velocity_x": 0.02,
+    "velocity_y": 0.02,
+    "sprite_mappings": [
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_LEFT",
+		"ACTOR_STATE_MOVING_LEFT"		
+	    ],
+	    "sprite": "little guy walking left"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_RIGHT",
+		"ACTOR_STATE_MOVING_RIGHT"		
+	    ],
+	    "sprite": "little guy walking right"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_UP",
+		"ACTOR_STATE_MOVING_UP"		
+	    ],		
+	    "sprite": "little guy walking up"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_DOWN",
+		"ACTOR_STATE_MOVING_DOWN"		
+	    ],				
+	    "sprite": "little guy walking down"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_UP"
+	    ],
+	    "sprite": "little guy facing up"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_RIGHT"
+	    ],		
+	    "sprite": "little guy facing right"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_LEFT"
+	    ],		
+	    "sprite": "little guy facing left"
+	},
+	{
+	    "state": [
+		"ACTOR_STATE_ALIVE",
+		"ACTOR_STATE_FACE_DOWN"
+	    ],		
+	    "sprite": "little guy facing down"
+	}
+    ]
+}