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
|
/*
* Isometric rendering engine.
*/
#pragma once
#include <stdint.h>
typedef struct IsoGfx IsoGfx;
typedef uint8_t Tile;
typedef uint8_t Channel;
typedef struct Pixel {
Channel r, g, b;
} Pixel;
typedef enum TileDescType {
TileFromColour,
TileFromFile,
TileFromMemory
} TileDescType;
typedef struct TileDesc {
TileDescType type;
union {
Pixel colour;
struct {
const char* path;
} file;
struct {
const void* data;
} mem;
};
} TileDesc;
typedef struct IsoGfxDesc {
int screen_width;
int screen_height;
int tile_width;
int tile_height;
int world_width;
int world_height;
int max_num_tiles; // 0 for an implementation-defined default.
} IsoGfxDesc;
IsoGfx* isogfx_new(const IsoGfxDesc*);
void isogfx_del(IsoGfx**);
Tile isogfx_make_tile(IsoGfx*, const TileDesc*);
void isogfx_set_tile(IsoGfx*, int x, int y, Tile);
void isogfx_set_tiles(IsoGfx*, int x0, int y0, int x1, int y1, Tile);
void isogfx_pick_tile(
const IsoGfx*, double xcart, double ycart, int* xiso, int* yiso);
void isogfx_render(IsoGfx*);
void isogfx_draw_tile(IsoGfx*, int x, int y, Tile);
const Pixel* isogfx_get_screen_buffer(const IsoGfx*);
int isogfx_world_width(const IsoGfx*);
int isogfx_world_height(const IsoGfx*);
|
