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-rw-r--r--src/player.c22
-rw-r--r--src/tilemap.c8
2 files changed, 20 insertions, 10 deletions
diff --git a/src/player.c b/src/player.c
index 2e0346d..ed7dcbb 100644
--- a/src/player.c
+++ b/src/player.c
@@ -4,7 +4,7 @@
#include "tilemap.h"
#include <stdbool.h>
-#define SIZE 8
+#define SIZE 4
#define ACCELERATION 1
#define FRICTION 2
#define MAX_SPEED 12
@@ -43,6 +43,10 @@ struct anim player_anims[] = {
{PLAYER_A_FALL2, {48, 0, 16, 16}, 15},
};
+static collision_T collide(struct entity *self) {
+ return tilemap_area(tilemap, from_fixed(self->x) - SIZE / 2, from_fixed(self->y) - SIZE, from_fixed(self->x) + SIZE / 2, from_fixed(self->y));
+}
+
static int move(struct entity *self) {
int on_ground = false;
int dx = (input_right(input_now) - input_left(input_now)) * ACCELERATION;
@@ -62,13 +66,13 @@ static int move(struct entity *self) {
self->velocity.x = -MAX_SPEED;
}
self->x += self->velocity.x;
- if (collision_solid(tilemap_area(tilemap, from_fixed(self->x), from_fixed(self->y), from_fixed(self->x) + SIZE, from_fixed(self->y) + SIZE))) {
+ if (collision_solid(collide(self))) {
if (self->velocity.x < 0) {
- self->x += to_fixed(8) - ((self->x) % to_fixed(8)); // left
+ self->x += to_fixed(8) - ((self->x - to_fixed(SIZE / 2)) % to_fixed(8)); // left
} else if (self->velocity.x == 0) {
//fputs("what?\n", stderr);
} else {
- self->x -= ((self->x + to_fixed(SIZE)) % to_fixed(8)); // right
+ self->x -= ((self->x + to_fixed(SIZE / 2)) % to_fixed(8)); // right
}
self->velocity.x = 0;
}
@@ -80,14 +84,14 @@ static int move(struct entity *self) {
self->velocity.y += GRAVITY;
self->y += self->velocity.y;
//self->y += (input_down(input_now) - input_up(input_now)) * 8;
- if (collision_solid(tilemap_area(tilemap, from_fixed(self->x), from_fixed(self->y), from_fixed(self->x) + SIZE, from_fixed(self->y) + SIZE))) {
+ if (collision_solid(collide(self))) {
if (self->velocity.y < 0) {
- self->y += to_fixed(8) - ((self->y) % to_fixed(8)); // up
+ self->y += to_fixed(8) - ((self->y - to_fixed(SIZE)) % to_fixed(8)); // up
self->velocity.y = 0;
} else if (self->velocity.y == 0) {
//fputs("what?\n", stderr);
} else {
- self->y -= ((self->y + to_fixed(SIZE)) % to_fixed(8)); // down
+ self->y -= ((self->y) % to_fixed(8)); // down
self->velocity.y = to_fixed(1); // crazy but it works
on_ground = true;
}
@@ -107,6 +111,7 @@ static int player_update(struct entity *self) {
switch (self->state) {
case PLAYER_IDLE:
if (move(self) == false) {
+ self->velocity.y = 0;
anim(self, PLAYER_A_FALL);
self->state = PLAYER_FALL;
}
@@ -123,6 +128,7 @@ static int player_update(struct entity *self) {
case PLAYER_WALK:
if (move(self) == false) {
+ self->velocity.y = 0;
anim(self, PLAYER_A_FALL);
self->state = PLAYER_FALL;
}
@@ -177,7 +183,7 @@ static int player_draw(struct entity *self, int camX, int camY) {
if (self->facing == -1) {
rect.y += 16;
}
- SDL_RenderCopy(renderer, self->texture, &rect, &(SDL_Rect) {from_fixed(self->x) - camX - 4, from_fixed(self->y) - camY - 4, 16, 16});
+ SDL_RenderCopy(renderer, self->texture, &rect, &(SDL_Rect) {from_fixed(self->x) - camX - 8, from_fixed(self->y) - camY - 12, 16, 16});
return 0;
}
diff --git a/src/tilemap.c b/src/tilemap.c
index ea53e2f..e7ee1d4 100644
--- a/src/tilemap.c
+++ b/src/tilemap.c
@@ -71,13 +71,17 @@ collision_T tilemap_area(struct tilemap *tilemap, int x1, int y1, int x2, int y2
if (x1 < 0) {
x1 = 0;
}
- if (x2 >= tilemap->width) {
+ if (x2 < 0) {
+ x2 = 0;
+ } else if (x2 >= tilemap->width) {
x2 = tilemap->width - 1;
}
if (y1 < 0) {
y1 = 0;
}
- if (y2 >= tilemap->height) {
+ if (y2 < 0) { // for some reason you can bonk your head on nothing without this
+ y2 = 0;
+ } else if (y2 >= tilemap->height) {
y2 = tilemap->height - 1;
}
return tilemap_area_raw(tilemap, x1, y1, x2, y2);