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tilemap_editor_integration_example.c
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// This isn't compilable as-is, as it was extracted from a working
// integration-in-a-game and makes reference to symbols from that game.
#include <assert.h>
#include <ctype.h>
#include "game.h"
#include "SDL.h"
#include "stb_tilemap_editor.h"
extern void editor_draw_tile(int x, int y, unsigned short tile, int mode, float *props);
extern void editor_draw_rect(int x0, int y0, int x1, int y1, unsigned char r, unsigned char g, unsigned char b);
static int is_platform(short *tiles);
static unsigned int prop_type(int n, short *tiles);
static char *prop_name(int n, short *tiles);
static float prop_range(int n, short *tiles, int is_max);
static int allow_link(short *src, short *dest);
#define STBTE_MAX_PROPERTIES 8
#define STBTE_PROP_TYPE(n, tiledata, p) prop_type(n,tiledata)
#define STBTE_PROP_NAME(n, tiledata, p) prop_name(n,tiledata)
#define STBTE_PROP_MIN(n, tiledata, p) prop_range(n,tiledata,0)
#define STBTE_PROP_MAX(n, tiledata, p) prop_range(n,tiledata,1)
#define STBTE_PROP_FLOAT_SCALE(n,td,p) (0.1)
#define STBTE_ALLOW_LINK(srctile, srcprop, desttile, destprop) \
allow_link(srctile, desttile)
#define STBTE_LINK_COLOR(srctile, srcprop, desttile, destprop) \
(is_platform(srctile) ? 0xff80ff : 0x808040)
#define STBTE_DRAW_RECT(x0,y0,x1,y1,c) \
editor_draw_rect(x0,y0,x1,y1,(c)>>16,((c)>>8)&255,(c)&255)
#define STBTE_DRAW_TILE(x,y,id,highlight,props) \
editor_draw_tile(x,y,id,highlight,props)
#define STB_TILEMAP_EDITOR_IMPLEMENTATION
#include "stb_tilemap_editor.h"
stbte_tilemap *edit_map;
void editor_key(enum stbte_action act)
{
stbte_action(edit_map, act);
}
void editor_process_sdl_event(SDL_Event *e)
{
switch (e->type) {
case SDL_MOUSEMOTION:
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
case SDL_MOUSEWHEEL:
stbte_mouse_sdl(edit_map, e, 1.0f/editor_scale,1.0f/editor_scale,0,0);
break;
case SDL_KEYDOWN:
if (in_editor) {
switch (e->key.keysym.sym) {
case SDLK_RIGHT: editor_key(STBTE_scroll_right); break;
case SDLK_LEFT : editor_key(STBTE_scroll_left ); break;
case SDLK_UP : editor_key(STBTE_scroll_up ); break;
case SDLK_DOWN : editor_key(STBTE_scroll_down ); break;
}
switch (e->key.keysym.scancode) {
case SDL_SCANCODE_S: editor_key(STBTE_tool_select); break;
case SDL_SCANCODE_B: editor_key(STBTE_tool_brush ); break;
case SDL_SCANCODE_E: editor_key(STBTE_tool_erase ); break;
case SDL_SCANCODE_R: editor_key(STBTE_tool_rectangle ); break;
case SDL_SCANCODE_I: editor_key(STBTE_tool_eyedropper); break;
case SDL_SCANCODE_L: editor_key(STBTE_tool_link); break;
case SDL_SCANCODE_G: editor_key(STBTE_act_toggle_grid); break;
}
if ((e->key.keysym.mod & KMOD_CTRL) && !(e->key.keysym.mod & ~KMOD_CTRL)) {
switch (e->key.keysym.scancode) {
case SDL_SCANCODE_X: editor_key(STBTE_act_cut ); break;
case SDL_SCANCODE_C: editor_key(STBTE_act_copy ); break;
case SDL_SCANCODE_V: editor_key(STBTE_act_paste); break;
case SDL_SCANCODE_Z: editor_key(STBTE_act_undo ); break;
case SDL_SCANCODE_Y: editor_key(STBTE_act_redo ); break;
}
}
}
break;
}
}
void editor_init(void)
{
int i;
edit_map = stbte_create_map(20,14, 8, 16,16, 100);
stbte_set_background_tile(edit_map, T_empty);
for (i=0; i < T__num_types; ++i) {
if (i != T_reserved1 && i != T_entry && i != T_doorframe)
stbte_define_tile(edit_map, 0+i, 1, "Background");
}
stbte_define_tile(edit_map, 256+O_player , 8, "Char");
stbte_define_tile(edit_map, 256+O_robot , 8, "Char");
for (i=O_lockeddoor; i < O__num_types-2; ++i)
if (i == O_platform || i == O_vplatform)
stbte_define_tile(edit_map, 256+i, 4, "Object");
else
stbte_define_tile(edit_map, 256+i, 2, "Object");
//stbte_set_layername(edit_map, 0, "background");
//stbte_set_layername(edit_map, 1, "objects");
//stbte_set_layername(edit_map, 2, "platforms");
//stbte_set_layername(edit_map, 3, "characters");
}
static int is_platform(short *tiles)
{
// platforms are only on layer #2
return tiles[2] == 256 + O_platform || tiles[2] == 256 + O_vplatform;
}
static int is_object(short *tiles)
{
return (tiles[1] >= 256 || tiles[2] >= 256 || tiles[3] >= 256);
}
static unsigned int prop_type(int n, short *tiles)
{
if (is_platform(tiles)) {
static unsigned int platform_types[STBTE_MAX_PROPERTIES] = {
STBTE_PROP_bool, // phantom
STBTE_PROP_int, // x_adjust
STBTE_PROP_int, // y_adjust
STBTE_PROP_float, // width
STBTE_PROP_float, // lspeed
STBTE_PROP_float, // rspeed
STBTE_PROP_bool, // autoreturn
STBTE_PROP_bool, // one-shot
// remainder get 0, means 'no property in this slot'
};
return platform_types[n];
} else if (is_object(tiles)) {
if (n == 0)
return STBTE_PROP_bool;
}
return 0;
}
static char *prop_name(int n, short *tiles)
{
if (is_platform(tiles)) {
static char *platform_vars[STBTE_MAX_PROPERTIES] = {
"phantom",
"x_adjust",
"y_adjust",
"width",
"lspeed",
"rspeed",
"autoreturn",
"one-shot",
};
return platform_vars[n];
}
return "phantom";
}
static float prop_range(int n, short *tiles, int is_max)
{
if (is_platform(tiles)) {
static float ranges[8][2] = {
{ 0, 1 }, // phantom-flag, range is ignored
{ -15, 15 }, // x_adjust
{ -15, 15 }, // y_adjust
{ 0, 6 }, // width
{ 0, 10 }, // lspeed
{ 0, 10 }, // rspeed
{ 0, 1 }, // autoreturn, range is ignored
{ 0, 1 }, // one-shot, range is ignored
};
return ranges[n][is_max];
}
return 0;
}
static int allow_link(short *src, short *dest)
{
if (is_platform(src))
return dest[1] == 256+O_lever;
if (src[1] == 256+O_endpoint)
return is_platform(dest);
return 0;
}