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#include "wall.h"
#include "rodeo.h"
static rodeo_collision_2d_world_t collision_wall_world;
void
init_wall(void)
{
collision_wall_world = rodeo_collision_2d_world_create();
}
void
deinit_wall(void)
{
rodeo_collision_2d_world_destroy(&collision_wall_world);
}
rodeo_collision_2d_world_t *
get_wall_world(void)
{
return &collision_wall_world;
}
rodeo_collision_2d_world_item_t *
new_wall(
float x,
float y,
float width,
float height
)
{
return rodeo_collision_2d_world_item_create(
&collision_wall_world,
(rodeo_collision_2d_world_item_t)
{
.x = x,
.y = y,
.width = width,
.height = height
});
}
bool
coords_inside_wall(
float x,
float y
)
{
c_foreach(i, cvec_collision_2d_world_item, collision_wall_world) {
if (x >= i.ref->x && x <= i.ref->x + i.ref->width &&
y >= i.ref->y && y <= i.ref->y + i.ref->height) {
return true;
}
}
return false;
}
void
moving_wall_resolver(
rodeo_collision_2d_world_item_t *obj_collision,
rodeo_collision_2d_world_item_t *wall_collision
)
{
rodeo_collision_2d_world_item_t *p = obj_collision;
rodeo_collision_2d_world_item_t *w = wall_collision;
rodeo_rectangle_t step = (rodeo_rectangle_t){
.x = p->x + p->dx * rodeo_frame_time_get(),
.y = p->y + p->dy * rodeo_frame_time_get(),
.width = p->width,
.height = p->height
};
rodeo_rectangle_t intersection = rodeo_collision_2d_get_collision_rect(p, w);
if (intersection.width < intersection.height) {
if (intersection.x == step.x) {
p->x = w->x + w->width;
if (p->dx < 0) {
p->dx = 0;
}
} else {
p->x = w->x - p->width;
if (p->dx > 0) {
p->dx = 0;
}
}
}
else if (intersection.height < intersection.width) {
if (intersection.y == step.y) {
p->y = w->y + w->height;
if (p->dy < 0) {
p->dy = 0;
}
} else {
p->y = w->y - p->height;
if (p->dy > 0) {
p->dy = 0;
}
}
}
else if (p->width == w->width && p->height == w->height) {
p->dx = 0;
p->dy = 0;
}
}
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