1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#include "isogfx-demo.h"
#include <gfx/gfx_app.h>
#include <isogfx/isogfx.h>
#include <assert.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
typedef struct State {
int xpick;
int ypick;
SpriteSheet stag_sheet;
Sprite stag;
} State;
static void shutdown(IsoGfx* iso, void* app_state) {
assert(iso);
if (app_state) {
free(app_state);
}
}
static void update(IsoGfx* iso, void* app_state, double t, double dt) {
assert(iso);
assert(app_state);
State* state = (State*)(app_state);
double mouse_x, mouse_y;
gfx_app_get_mouse_position(&mouse_x, &mouse_y);
isogfx_pick_tile(iso, mouse_x, mouse_y, &state->xpick, &state->ypick);
// printf("Picked tile: (%d, %d)\n", state->xpick, state->ypick);
}
static void render(IsoGfx* iso, void* app_state) {
assert(iso);
assert(app_state);
State* state = (State*)(app_state);
isogfx_render(iso);
}
bool make_demo_app(IsoGfx* iso, IsoGfxApp* app) {
assert(iso);
assert(app);
State* state = calloc(1, sizeof(State));
if (!state) {
return false;
}
if (!isogfx_load_world(iso, "/home/jeanne/assets/tilemaps/demo1.tm")) {
goto cleanup;
}
if (!isogfx_load_sprite_sheet(
iso, "/home/jeanne/assets/tilesets/scrabling/critters/stag/stag.ss",
&state->stag_sheet)) {
goto cleanup;
}
state->stag = isogfx_make_sprite(iso, state->stag_sheet);
isogfx_set_sprite_position(iso, state->stag, 5, 4);
app->pixel_scale = 2;
app->state = state;
app->shutdown = shutdown;
app->update = update;
app->render = render;
return true;
cleanup:
free(state);
return false;
}
|