camera: remove dependency against terrain

This will allow using camera for purposes other than showing the game
map.

src/camera/CMakeLists.txt

@@ -1,3 +1,3 @@
 add_library(camera "src/camera.c" "src/pad.c" "src/mouse.c" "src/touch.c")
 target_include_directories(camera PUBLIC "inc" PRIVATE "privinc")
-target_link_libraries(camera PUBLIC container mouse pad peripheral terrain util PRIVATE gfx)
+target_link_libraries(camera PUBLIC container mouse pad peripheral util PRIVATE gfx)

src/camera/inc/camera.h

@@ -14,6 +14,11 @@ extern "C"
 
 struct camera
 {
+    struct camera_dim
+    {
+        long w, h;
+    } dim;
+
     int x, y, x_speed, y_speed;
     unsigned int xt, yt;
     bool pan;

src/camera/src/camera.c

@@ -3,7 +3,6 @@
 #include <gfx.h>
 #include <mouse.h>
 #include <pad.h>
-#include <terrain.h>
 #include <util.h>
 #include <limits.h>
 #include <stdbool.h>
@@ -78,8 +77,8 @@ void camera_update_pos(struct camera *const cam)
 
     if (cam->x > 0)
         cam->x = 0;
-    else if (cam->x < -MAP_W)
-        cam->x = -MAP_W;
+    else if (cam->x < -cam->dim.w)
+        cam->x = -cam->dim.w;
 
     const int y = cam->y + cam->y_speed;
 
@@ -87,8 +86,8 @@ void camera_update_pos(struct camera *const cam)
 
     if (cam->y > 0)
         cam->y = 0;
-    else if (cam->y < -MAP_H)
-        cam->y = -MAP_H;
+    else if (cam->y < -cam->dim.h)
+        cam->y = -cam->dim.h;
 }
 
 bool camera_translate(const struct camera *const cam, const struct util_rect *const dim,

src/camera/src/pad.c

@@ -1,8 +1,8 @@
 #include <camera.h>
 #include <camera_private.h>
 #include <pad.h>
-#include <terrain.h>
 #include <peripheral.h>
+#include <gfx.h>
 #include <util.h>
 #include <stdbool.h>
 
@@ -21,7 +21,7 @@ static void cursor_update(struct camera *const cam, const struct pad *const p)
         c->x -= STEP;
     else if (pad_pressed(p, PAD_KEY_RIGHT)
         && (c->x + STEP < screen_w)
-        && (c->x != c->x_init || cam->x <= -MAP_W))
+        && (c->x != c->x_init || cam->x <= -cam->dim.w))
         c->x += STEP;
 
     if (pad_pressed(p, PAD_KEY_UP)
@@ -30,7 +30,7 @@ static void cursor_update(struct camera *const cam, const struct pad *const p)
         c->y -= STEP;
     else if (pad_pressed(p, PAD_KEY_DOWN)
         && (c->y + STEP < screen_h)
-        && (c->y != c->y_init || cam->y <= -MAP_H))
+        && (c->y != c->y_init || cam->y <= -cam->dim.h))
         c->y += STEP;
 
     c->state = pad_pressed(p, PAD_KEY_A) || pad_pressed(p, PAD_KEY_B) ?

src/game/src/game.c

@@ -28,6 +28,12 @@ int game(void)
         {
             .sel_periph = PERIPHERAL_TYPE_KEYBOARD_MOUSE,
             .padn = i,
+            .dim =
+            {
+                .w = MAP_W,
+                .h = MAP_H,
+            },
+
             .pl =
             {
                 .team = PLAYER_COLOR_BLUE,

src/player/src/human_player.c

@@ -751,6 +751,7 @@ int human_player_init(const struct human_player_cfg *const cfg,
 
     peripheral_init(&p_cfg, &h->periph);
     cursor_init(&h->cam.cursor);
+    h->cam.dim = cfg->dim;
     h->top_gui = true;
     memmove(h->gui_res, h->pl.resources, sizeof h->gui_res);
     return 0;