get in and out of vehicles

[koperkapel.git] / koperkapel / scenes / level.py

diff --git a/koperkapel/scenes/level.py b/koperkapel/scenes/level.py
index 7978a73546cdcc5f2a1d2f5e66eb33d211fa15c2..c5a847b37de719da32810dd786ad36a7e78aa998 100644 (file)
--- a/koperkapel/scenes/level.py
+++ b/koperkapel/scenes/level.py
@@ -7,9 +7,10 @@ from ..loaders.levelloader import levels
 from .base import (
     Scene, ChangeSceneEvent, MoveViewportEvent, WorldEvent, defer_to_update)
 from ..constants import TILE_SIZE, WIDTH, HEIGHT
-from ..gamelib.items import clone_old_item
+from ..gamelib.items import clone_old_item, create_new_item
 from ..roaches import build_roach
 from ..vehicles.base import Vehicle
+from ..weapons import weapon_by_name
 
 
 class BaseLevelScene(Scene):
@@ -30,6 +31,7 @@ class BaseLevelScene(Scene):
         self._overlay = self._surfaces['floor'].copy()
         self._doors = self.actors.add_layer("doors", level=9)
         self._keypads = self.actors.add_layer("keypads", level=8)
+        self._bullets = self.actors.add_layer("bullets", level=10)
         # These are already Actors
         for door in self._level.doors:
             self._doors.add(door)
@@ -99,7 +101,8 @@ class GameLevelScene(BaseLevelScene):
         self._enemies = self.actors.add_layer("enemies", level=7)
         self._vehicle = Vehicle.current(world)
         self._mode = 'walk'
-        self._angle = 0
+        self._angle = 0  # up
+        self._angle_dp = (0, -1)  # up
         self._init_items()
         self._init_friendly_roaches()
         self._init_generators()
@@ -154,8 +157,9 @@ class GameLevelScene(BaseLevelScene):
         elif self._mode == 'crawl':
             return self._level.can_crawl(x, y, self._level_layer)
 
-    def _set_angle(self, angle):
+    def _set_angle(self, angle, dp):
         self._angle = angle
+        self._angle_dp = dp
         self._avatar.angle = angle
 
     @defer_to_update
@@ -165,7 +169,7 @@ class GameLevelScene(BaseLevelScene):
         self._avatar = self._vehicle.get_avatar(world)
         self._avatar.pos = (WIDTH // 2, HEIGHT // 2)
         self._roaches.add(self._avatar)
-        self._set_angle(self._angle)
+        self._set_angle(self._angle, self._angle_dp)
 
     @defer_to_update
     def _add_roach(self, world):
@@ -185,10 +189,66 @@ class GameLevelScene(BaseLevelScene):
                 self._items.add(clone)
         self._vehicle_changed()
 
+    def _hit_enemy(self, enemy, weapon):
+        enemy.health -= weapon.damage
+        if enemy.health <= 0:
+            self._level.remove_enemy(enemy)
+            self._enemies.remove(enemy)
+
+    def _fire_bullet(self, bullet, pos, dp):
+        if len(self._bullets) >= 10:
+            return
+        bullet.game_pos = pos
+        bullet.game_dp = dp
+        bullet.dt = 0
+        bullet.level_layer = self._level_layer
+        self._bullets.add(bullet)
+
+    def _update_bullet(self, bullet, dt):
+        bullet.dt += dt
+        if bullet.dt > 0.1:
+            bullet.dt = 0
+            bullet.game_pos = pos = (
+                bullet.game_pos[0] + bullet.game_dp[0],
+                bullet.game_pos[1] + bullet.game_dp[1])
+            if not self._level.can_bullet(pos[0], pos[1], bullet.level_layer):
+                self._bullets.remove(bullet)
+
+    @defer_to_update
+    def _fire_weapon(self, world):
+        weapon = weapon_by_name(world.weapons.current)
+        weapon.play_sound()
+        if weapon.bullet_range > 0:
+            self._fire_bullet(
+                weapon.assemble_bullet(), self._player_pos, self._angle_dp)
+        else:
+            # melee
+            pos, dp = self._player_pos, self._angle_dp
+            pos = (pos[0] + dp[0], pos[1] + dp[1])
+            enemy = self._level.get_enemy(pos[0], pos[1])
+            if enemy:
+                self._hit_enemy(enemy, weapon)
+
     @defer_to_update
     def _change_vehicle(self, world):
-        vehicle = Vehicle.random()
-        world.vehicles.current = vehicle
+        x, y = self._player_pos
+
+        old_vehicle = world.vehicles.current
+        
+        item = self._level.item_at(x, y)
+        
+        if item and item.item_type == "vehicle":
+            world.vehicles.current = item.item_data["vehicle"]
+            self._level.remove_item(item)
+            self._items.remove(item)
+        else:
+            world.vehicles.current = "walking"
+
+        if old_vehicle != "walking":
+            dropped_vehicle = create_new_item("vehicle", (x, y), vehicle=old_vehicle)
+            self._level.items.append(dropped_vehicle)
+            self._items.add(dropped_vehicle)
+
         self._vehicle_changed()
 
     def update(self, world, engine, dt):
@@ -204,6 +264,11 @@ class GameLevelScene(BaseLevelScene):
         for enemy in self._enemies:
             enemy.pos = self.calc_offset(
                 enemy.game_pos[0] * TILE_SIZE, enemy.game_pos[1] * TILE_SIZE)
+        for bullet in list(self._bullets):
+            self._update_bullet(bullet, dt)
+            bullet.pos = self.calc_offset(
+                bullet.game_pos[0] * TILE_SIZE + (TILE_SIZE // 2),
+                bullet.game_pos[1] * TILE_SIZE + (TILE_SIZE // 2))
         more = self._check_held_keys(dt)
         if more:
             events.extend(more)
@@ -239,12 +304,12 @@ class GameLevelScene(BaseLevelScene):
                     if self._can_move(nx, ny):
                         self._set_pos(nx, ny)
                         offset = (TILE_SIZE * dp[0], TILE_SIZE * dp[1])
-                        self._set_angle(angle)
+                        self._set_angle(angle, dp)
                         self._last_key_down = 0
                         return [MoveViewportEvent(offset)]
                 else:
                     # just turn
-                    self._set_angle(angle)
+                    self._set_angle(angle, dp)
 
     def _activate_key(self):
         x, y = self._player_pos
@@ -267,9 +332,10 @@ class GameLevelScene(BaseLevelScene):
             self._add_roach()
         elif self._level.item_at(x, y):
             item = self._level.item_at(x, y)
-            self._level.remove_item(item)
-            self._items.remove(item)
-            self._gain_item(item)
+            if item.item_type != "vehicle":
+                self._level.remove_item(item)
+                self._items.remove(item)
+                self._gain_item(item)
         elif self._level.is_exit(x, y):
             next_level = self._level.get_exit_level()
             return [
@@ -279,7 +345,7 @@ class GameLevelScene(BaseLevelScene):
     def _fire_key(self, dt):
         if self._last_key_down > self._key_rate:
             self._last_key_down = 0
-            print('Boom')
+            self._fire_weapon()
 
     def _vehicle_management_key(self):
         from .roach_management import RoachesScene