split tower and tower placement
This commit is contained in:
-133
@@ -85,121 +85,11 @@ tower_stats_at_level :: proc(tower: Tower) -> (damage: int, range: f32) {
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return
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}
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can_place_tower :: proc(world: ^World, gx, gy: int, kind: Tower_Kind) -> bool {
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if world.phase != .Build do return false
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arch := get_archetype(kind)
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if world.gold < arch.cost do return false
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if !footprint_fits_map(&world.world_map, gx, gy, arch.footprint_w, arch.footprint_h) do return false
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if footprint_blocked(world, gx, gy, arch.footprint_w, arch.footprint_h) do return false
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return true
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}
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rects_overlap :: proc(
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left_a, top_a, width_a, height_a: int,
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left_b, top_b, width_b, height_b: int,
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) -> bool {
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return(
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left_a < left_b + width_b &&
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left_a + width_a > left_b &&
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top_a < top_b + height_b &&
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top_a + height_a > top_b \
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)
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}
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footprint_center :: proc(gx, gy, footprint_w, footprint_h: int) -> Vec2 {
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return Vec2 {
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f32(gx * TILE_SIZE + (footprint_w * TILE_SIZE) / 2),
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f32(gy * TILE_SIZE + (footprint_h * TILE_SIZE) / 2),
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}
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}
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footprint_fits_map :: proc(world_map: ^Map, gx, gy, footprint_w, footprint_h: int) -> bool {
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if gx < 0 || gy < 0 do return false
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if gx + footprint_w > MAP_W do return false
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if gy + footprint_h > MAP_H do return false
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for column in 0 ..< footprint_h {
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for row in 0 ..< footprint_w {
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cell_column := gx + column
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cell_row := gy + row
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if !can_build_at(world_map, cell_column, cell_row) do return false
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}
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}
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return true
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}
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footprint_blocked :: proc(world: ^World, gx, gy, footprint_w, footprint_h: int) -> bool {
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for placed_tower in world.towers {
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archetype := get_archetype(placed_tower.kind)
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if rects_overlap(
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gx,
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gy,
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footprint_w,
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footprint_h,
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placed_tower.anchor_gx,
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placed_tower.anchor_gy,
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archetype.footprint_w,
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archetype.footprint_h,
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) {
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return true
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}
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}
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return false
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}
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get_archetype :: proc(kind: Tower_Kind) -> Tower_Archetype {
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return TOWER_ARCHETYPES[kind]
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}
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try_upgrade_tower :: proc(world: ^World, gx, gy: int) -> bool {
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if world.phase != .Build do return false
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t := tower_at_grid(world, gx, gy)
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if t == nil do return false
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arch := get_archetype(t.kind)
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if t.upgrade_level >= arch.max_upgrade do return false
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cost := arch.upgrade_cost + t.upgrade_level * 25
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if world.gold < cost do return false
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world.gold -= cost
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t.upgrade_level += 1
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return true
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}
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try_place_tower :: proc(world: ^World, gx, gy: int, kind: Tower_Kind) -> bool {
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if !can_place_tower(world, gx, gy, kind) do return false
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arch := get_archetype(kind)
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world.gold -= arch.cost
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append(
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&world.towers,
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Tower {
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position = footprint_center(gx, gy, arch.footprint_w, arch.footprint_h),
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anchor_gx = gx,
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anchor_gy = gy,
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kind = kind,
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cooldown = 0,
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},
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)
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return true
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}
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tower_at_grid :: proc(world: ^World, gx, gy: int) -> ^Tower {
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for i in 0 ..< len(world.towers) {
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t := &world.towers[i]
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arch := get_archetype(t.kind)
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if gx >= t.anchor_gx &&
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gx < t.anchor_gx + arch.footprint_w &&
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gy >= t.anchor_gy &&
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gy < t.anchor_gy + arch.footprint_h {
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return t
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}
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}
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return nil
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}
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find_target_slot :: proc(tower: Tower, world: ^World) -> int {
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best_slot: int = -1
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@@ -298,26 +188,3 @@ render_towers :: proc(world: ^World) {
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}
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}
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render_placement_preview :: proc(world: ^World) {
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if world.phase != .Build do return
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mouse := game_mouse()
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gx, gy := screen_to_grid(mouse.x, mouse.y)
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arch := get_archetype(world.selected_tower)
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ok := can_place_tower(world, gx, gy, world.selected_tower)
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center := footprint_center(gx, gy, arch.footprint_w, arch.footprint_h)
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rl.DrawCircleLines(i32(center.x), i32(center.y), arch.range, rl.Fade(rl.SKYBLUE, 0.4))
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tint := rl.Fade(rl.GREEN, 0.3)
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if !ok do tint = rl.Fade(rl.RED, 0.35)
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for row in 0 ..< arch.footprint_h {
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for col in 0 ..< arch.footprint_w {
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px := (gx + col) * TILE_SIZE
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py := (gy + row) * TILE_SIZE
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rl.DrawRectangle(i32(px), i32(py), TILE_SIZE, TILE_SIZE, tint)
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}
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}
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}
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@@ -0,0 +1,139 @@
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package game
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import rl "vendor:raylib"
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can_place_tower :: proc(world: ^World, gx, gy: int, kind: Tower_Kind) -> bool {
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if world.phase != .Build do return false
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arch := get_archetype(kind)
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if world.gold < arch.cost do return false
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if !footprint_fits_map(&world.world_map, gx, gy, arch.footprint_w, arch.footprint_h) do return false
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if footprint_blocked(world, gx, gy, arch.footprint_w, arch.footprint_h) do return false
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return true
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}
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rects_overlap :: proc(
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left_a, top_a, width_a, height_a: int,
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left_b, top_b, width_b, height_b: int,
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) -> bool {
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return(
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left_a < left_b + width_b &&
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left_a + width_a > left_b &&
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top_a < top_b + height_b &&
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top_a + height_a > top_b \
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)
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}
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footprint_center :: proc(gx, gy, footprint_w, footprint_h: int) -> Vec2 {
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return Vec2 {
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f32(gx * TILE_SIZE + (footprint_w * TILE_SIZE) / 2),
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f32(gy * TILE_SIZE + (footprint_h * TILE_SIZE) / 2),
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}
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}
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footprint_fits_map :: proc(world_map: ^Map, gx, gy, footprint_w, footprint_h: int) -> bool {
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if gx < 0 || gy < 0 do return false
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if gx + footprint_w > MAP_W do return false
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if gy + footprint_h > MAP_H do return false
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for column in 0 ..< footprint_h {
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for row in 0 ..< footprint_w {
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cell_column := gx + column
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cell_row := gy + row
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if !can_build_at(world_map, cell_column, cell_row) do return false
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}
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}
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return true
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}
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footprint_blocked :: proc(world: ^World, gx, gy, footprint_w, footprint_h: int) -> bool {
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for placed_tower in world.towers {
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archetype := get_archetype(placed_tower.kind)
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if rects_overlap(
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gx,
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gy,
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footprint_w,
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footprint_h,
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placed_tower.anchor_gx,
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placed_tower.anchor_gy,
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archetype.footprint_w,
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archetype.footprint_h,
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) {
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return true
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}
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}
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return false
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}
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try_place_tower :: proc(world: ^World, gx, gy: int, kind: Tower_Kind) -> bool {
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if !can_place_tower(world, gx, gy, kind) do return false
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arch := get_archetype(kind)
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world.gold -= arch.cost
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append(
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&world.towers,
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Tower {
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position = footprint_center(gx, gy, arch.footprint_w, arch.footprint_h),
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anchor_gx = gx,
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anchor_gy = gy,
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kind = kind,
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cooldown = 0,
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},
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)
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return true
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}
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tower_at_grid :: proc(world: ^World, gx, gy: int) -> ^Tower {
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for i in 0 ..< len(world.towers) {
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t := &world.towers[i]
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arch := get_archetype(t.kind)
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if gx >= t.anchor_gx &&
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gx < t.anchor_gx + arch.footprint_w &&
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gy >= t.anchor_gy &&
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gy < t.anchor_gy + arch.footprint_h {
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return t
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}
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}
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return nil
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}
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try_upgrade_tower :: proc(world: ^World, gx, gy: int) -> bool {
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if world.phase != .Build do return false
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t := tower_at_grid(world, gx, gy)
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if t == nil do return false
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arch := get_archetype(t.kind)
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if t.upgrade_level >= arch.max_upgrade do return false
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cost := arch.upgrade_cost + t.upgrade_level * 25
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if world.gold < cost do return false
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world.gold -= cost
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t.upgrade_level += 1
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return true
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}
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render_placement_preview :: proc(world: ^World) {
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if world.phase != .Build do return
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mouse := game_mouse()
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gx, gy := screen_to_grid(mouse.x, mouse.y)
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arch := get_archetype(world.selected_tower)
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ok := can_place_tower(world, gx, gy, world.selected_tower)
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center := footprint_center(gx, gy, arch.footprint_w, arch.footprint_h)
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rl.DrawCircleLines(i32(center.x), i32(center.y), arch.range, rl.Fade(rl.SKYBLUE, 0.4))
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tint := rl.Fade(rl.GREEN, 0.3)
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if !ok do tint = rl.Fade(rl.RED, 0.35)
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for row in 0 ..< arch.footprint_h {
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for col in 0 ..< arch.footprint_w {
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px := (gx + col) * TILE_SIZE
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py := (gy + row) * TILE_SIZE
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rl.DrawRectangle(i32(px), i32(py), TILE_SIZE, TILE_SIZE, tint)
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}
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}
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}
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