camera, memory stuff, and random trees

game/game.odin

@@ -2,11 +2,16 @@ package game
 
 import "core:fmt"
 import rl "vendor:raylib"
+import rand "core:math/rand"
+import "core:strconv"
+import "core:mem"
+import "core:strings"
 
 
 player : Player
 world : World
 
+camera : rl.Camera2D
 
 main :: proc() {
 
@@ -15,55 +20,78 @@ main :: proc() {
     player.position.x = CELL_SIZE * 5
     player.position.y = CELL_SIZE * 5
 
+    camera.target = {player.position.x + (CELL_SIZE / 2), player.position.y + (CELL_SIZE / 2)}
+    camera.zoom = 2
+    camera.offset = {f32(rl.GetScreenWidth()) / 2, f32(rl.GetScreenHeight()) / 2}
+
     load_tilemap()
     defer unload_tilemap()
 
     fill_world_grid_with_nothing(&world)
 
-    t := Tile {
+    random_trees(&world)
-        type = .WALL,
-        color = rl.WHITE,
-        tilemap_pos = {0,1},
-    }
-    t2 := Tile {
-        type = .WALL,
-        color = rl.WHITE,
-        tilemap_pos = {0,1},
-    }
-    t3 := Tile {
-        type = .WALL,
-        color = rl.WHITE,
-        tilemap_pos = {0,1},
-    }
-
-    set_grid_tile(&world, {3,3}, t)
-    set_grid_tile(&world, {3,4}, t2)
-    set_grid_tile(&world, {3,5}, t3)
-
-    fmt.println(world.grid[3][3])
 
     game_loop()
 }
 
 game_loop :: proc() {
+
+    pos_string : string
+    pos_cstring : cstring
+
     for !rl.WindowShouldClose() {
 
         update()
 
         rl.BeginDrawing()
         rl.ClearBackground(rl.BLACK)
+        rl.BeginMode2D(camera)
 
         draw()
 
+        rl.EndMode2D()
+        
+        rl.DrawFPS(5,5)
+
+        pos_string = fmt.aprint("Player POS:", get_player_grid_position(&player))
+        pos_cstring = strings.clone_to_cstring(pos_string)
+
+        rl.DrawText(pos_cstring, 5, 25, 20, rl.RED)
+
         rl.EndDrawing()
     }
+    
+    delete(pos_string)
+    delete(pos_cstring)
 }
 
 update :: proc() {
+    
+    camera.target = {player.position.x + (CELL_SIZE / 2), player.position.y + (CELL_SIZE / 2)}
+
     handle_player_input(&player)
 }
 
 draw :: proc() {
-    draw_player(&player)
     draw_world(&world)
+    draw_player(&player)
 }
+
+random_trees :: proc(world:^World) {
+    for x in 0..<len(world.grid) {
+        rand_y := rand.int_max(len(world.grid))
+        for y in 0..<len(world.grid) {
+            rand_x := rand.int_max(len(world.grid))
+            
+            tree := Tile {
+                type = .WALL,
+                tilemap_pos = {0,1},
+                color = rl.RAYWHITE
+            }
+
+            set_grid_tile(world, {u32(rand_x),u32(rand_y), }, tree)
+        }
+    }
+}
+
+

game/player.odin

@@ -35,5 +35,5 @@ get_player_grid_position :: proc(player:^Player) -> rl.Vector2 {
 }
 
 draw_player :: proc(player:^Player) {
-    draw_tile({27,0}, player.position, rl.WHITE)
+    draw_tile({27,0}, player.position, rl.DARKBLUE)
 }

game/world.odin

@@ -5,7 +5,7 @@ import "core:fmt"
 
 
 CELL_SIZE :: 16
-WORLD_SIZE :: 10
+WORLD_SIZE :: 50
 
 World :: struct {
     grid: [WORLD_SIZE][WORLD_SIZE]Tile