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Tile collisions

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main
Cameron Murphy Reikes 2 years ago
parent 089cd9c3e1
commit f66989cef9
4 changed files with 105 additions and 18 deletions
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1
.gitignore vendored
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@ -1,5 +1,6 @@
# copyrighted assets which must be bought
assets/copyrighted/
EPIC RPG World Pack - Ancient Ruins V 1.7.zip
EPIC RPG World Pack - Ancient Ruins V 1.7/
# allow shader compiler

2
assets.mdesk
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@ -29,5 +29,5 @@
}
@level level0:
{
filepath: "level0.json",
filepath: "testsmalllevel.json",
}

40
assets/testsmalllevel.json
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@ -3,13 +3,13 @@
"infinite":false,
"layers":[
{
"data":[53, 53, 53, 209, 160, 53, 53, 53,
53, 209, 159, 210, 265, 53, 53, 53,
209, 210, 263, 263, 212, 213, 53, 53,
261, 263, 263, 263, 263, 265, 53, 53,
313, 314, 263, 263, 263, 265, 53, 53,
53, 313, 314, 316, 367, 317, 53, 53,
53, 53, 366, 317, 53, 53, 53, 53,
"data":[53, 53, 53, 53, 53, 53, 53, 53,
53, 53, 53, 53, 53, 53, 53, 53,
53, 53, 263, 263, 263, 53, 53, 53,
53, 53, 263, 263, 263, 53, 53, 53,
53, 53, 263, 263, 263, 53, 53, 53,
53, 53, 53, 53, 53, 53, 53, 53,
53, 53, 53, 53, 53, 53, 53, 53,
53, 53, 53, 53, 53, 53, 53, 53],
"height":8,
"id":1,
@ -20,9 +20,31 @@
"width":8,
"x":0,
"y":0
},
{
"draworder":"topdown",
"id":2,
"name":"objects",
"objects":[
{
"class":"",
"height":31.604938271605,
"id":1,
"name":"spawn",
"rotation":0,
"visible":true,
"width":29.9415204678363,
"x":97,
"y":96
}],
"opacity":1,
"type":"objectgroup",
"visible":true,
"x":0,
"y":0
}],
"nextlayerid":2,
"nextobjectid":1,
"nextlayerid":3,
"nextobjectid":2,
"orientation":"orthogonal",
"renderorder":"right-down",
"tiledversion":"1.9.2",

78
main.c
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@ -71,6 +71,24 @@ TileCoord world_to_tilecoord(HMM_Vec2 w) {
return (TileCoord){ (int)floorf(w.X / TILE_SIZE), (int)floorf(-w.Y / TILE_SIZE) };
}
AABB tile_aabb(TileCoord t) {
return (AABB) {
.upper_left = tilecoord_to_world(t),
.lower_right = HMM_AddV2(tilecoord_to_world(t), HMM_V2(TILE_SIZE, -TILE_SIZE)),
};
}
HMM_Vec2 aabb_center(AABB aabb) {
return HMM_MulV2F(HMM_AddV2(aabb.upper_left, aabb.lower_right), 0.5f);
}
AABB centered_aabb(HMM_Vec2 at, HMM_Vec2 size) {
return (AABB){
.upper_left = HMM_AddV2(at, HMM_V2(-size.X/2.0f, size.Y/2.0f)),
.lower_right = HMM_AddV2(at, HMM_V2( size.X/2.0f, -size.Y/2.0f)),
};
}
uint16_t get_tile(Level *l, TileCoord t) {
bool out_of_bounds = false;
out_of_bounds |= t.x < 0;
@ -128,7 +146,7 @@ AnimatedSprite knight_running = {
};
sg_image image_font = {0};
const float font_size = 64.0;
const float font_size = 32.0;
stbtt_bakedchar cdata[96]; // ASCII 32..126 is 95 glyphs
// so can be grep'd and removed
@ -245,6 +263,7 @@ typedef HMM_Vec4 Color;
#define BLACK (Color){0.0f, 0.0f, 0.0f, 1.0f}
#define RED (Color){1.0f, 0.0f, 0.0f, 1.0f}
HMM_Vec2 screen_size() {
return HMM_V2((float)sapp_width(), (float)sapp_height());
}
@ -526,6 +545,12 @@ AABB draw_text(bool world_space, bool dry_run, const char *text, size_t length,
return bounds;
}
void redsquare(HMM_Vec2 at) {
HMM_Vec2 points[4] = {0};
quad_points_centered_size(points, at, HMM_V2(10.0, 10.0));
draw_quad(true, points, image_white_square,full_region(image_font), RED);
}
double time = 0.0;
double last_frame_processing_time = 0.0;
uint64_t last_frame_time;
@ -554,10 +579,6 @@ void frame(void) {
if(HMM_LenV2(movement) > 1.0) {
movement = HMM_NormV2(movement);
}
character_pos = HMM_AddV2(character_pos, HMM_MulV2F(movement, dt * pixels_per_meter * 4.0f));
cam.pos = HMM_LerpV2(cam.pos, dt*8.0f, HMM_MulV2F(character_pos, -1.0f * cam.scale));
sg_begin_default_pass(&state.pass_action, sapp_width(), sapp_height());
sg_apply_pipeline(state.pip);
@ -602,12 +623,54 @@ void frame(void) {
#endif
HMM_Vec2 new_pos = HMM_AddV2(character_pos, HMM_MulV2F(movement, dt * pixels_per_meter * 4.0f));
HMM_Vec2 character_aabb_size = { TILE_SIZE, TILE_SIZE };
AABB at_new = centered_aabb(new_pos, character_aabb_size);
HMM_Vec2 at_new_size_vector = HMM_SubV2(at_new.lower_right, at_new.upper_left);
HMM_Vec2 points_to_check[] = {
HMM_AddV2(at_new.upper_left, HMM_V2(0.0, 0.0)),
HMM_AddV2(at_new.upper_left, HMM_V2(at_new_size_vector.X, 0.0)),
HMM_AddV2(at_new.upper_left, HMM_V2(at_new_size_vector.X, at_new_size_vector.Y)),
HMM_AddV2(at_new.upper_left, HMM_V2(0.0, at_new_size_vector.Y)),
};
//redsquare(character_pos);
//redsquare(at_new.upper_left);
//redsquare(at_new.lower_right);
for(int i = 0; i < sizeof(points_to_check)/sizeof(*points_to_check); i++) {
HMM_Vec2 *it = &points_to_check[i];
TileCoord to_check = world_to_tilecoord(*it);
char num[10] = {0};
snprintf(num, 10, "%d", get_tile(&level_level0, to_check));
draw_text(false, false, num, strlen(num), world_to_screen(tilecoord_to_world(to_check)), BLACK);
if(get_tile(&level_level0, to_check) == 53) {
redsquare(tilecoord_to_world(to_check));
AABB to_depenetrate_from = tile_aabb(to_check);
while(overlapping(to_depenetrate_from, at_new)) {
//while(false) {
//redsquare(to_depenetrate_from.upper_left);
//redsquare(to_depenetrate_from.lower_right);
const float move_dist = 0.05f;
HMM_Vec2 move_dir = HMM_NormV2(HMM_SubV2(aabb_center(at_new), aabb_center(to_depenetrate_from)));
HMM_Vec2 move = HMM_MulV2F(move_dir, move_dist);
at_new.upper_left = HMM_AddV2(at_new.upper_left,move);
at_new.lower_right = HMM_AddV2(at_new.lower_right,move);
}
}
}
character_pos = aabb_center(at_new);
cam.pos = HMM_LerpV2(cam.pos, dt*8.0f, HMM_MulV2F(character_pos, -1.0f * cam.scale));
#ifdef DEVTOOLS
// mouse pos
{
redsquare(screen_to_world(mouse_pos));
/*
HMM_Vec2 points[4] = {0};
quad_points_centered_size(points, screen_to_world(mouse_pos), HMM_V2(10.0, 10.0));
draw_quad(true, points, image_white_square,full_region(image_font), RED);
*/
}
// tile coord
{
@ -656,10 +719,11 @@ void frame(void) {
#endif // devtools
if(fabsf(movement.X) > 0.01f) character_facing_left = movement.X < 0.0f;
HMM_Vec2 character_sprite_pos = HMM_AddV2(character_pos, HMM_V2(0.0, 20.0f));
if(HMM_LenV2(movement) > 0.01) {
draw_animated_sprite(&knight_running, time, character_facing_left, character_pos, WHITE);
draw_animated_sprite(&knight_running, time, character_facing_left, character_sprite_pos, WHITE);
} else {
draw_animated_sprite(&knight_idle, time, character_facing_left, character_pos, WHITE);
draw_animated_sprite(&knight_idle, time, character_facing_left, character_sprite_pos, WHITE);
}
sg_end_pass();

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