Mario: Fireball works

mario/CMakeLists.txt

@@ -75,9 +75,11 @@ target_sources(mario
 	PRIVATE visitors/goomba_visitor.cpp
 	PRIVATE visitors/bounce_visitor.cpp
 	PRIVATE visitors/visitor_generator.cpp
+	PRIVATE visitors/projectile_visitor.cpp
 	PRIVATE blocks/coinblock.cpp
 	PRIVATE blocks/mushroomblock.cpp
 	PRIVATE blocks/goombablock.cpp
+	PRIVATE blocks/fireball.cpp
 	PRIVATE scenes/load_scene.cpp
 	PRIVATE scenes/game_main_menu.cpp
 	PRIVATE editor_visitor.cpp # TODO

mario/blocks.cpp

@@ -559,7 +559,7 @@ createBlockById(uint64_t id, int x, int y,
         break;
     case MARIO_ID:
         result = std::static_pointer_cast<MarioBlock>(
-            std::make_shared<Mario>(x, y, renderer));
+            std::make_shared<Mario>(x, y, renderer, nullptr));
         break;
     case GOOMBA_ID:
         result = std::static_pointer_cast<MarioBlock>(

mario/blocks/fireball.cpp

@@ -0,0 +1,70 @@
+#include "fireball.hpp"
+#include "../sprites.hpp"
+#include "../global_vars.hpp"
+#include "../objectids.hpp"
+#include "../visitors/projectile_visitor.hpp"
+
+Fireball::Fireball(int x, int y, std::shared_ptr<SDLPP::Renderer> &renderer)
+        : MarioBlock(x, y, renderer, g_items_texture, FIRE_BALL_ANIM[3]) {
+    setHidden(true);
+    ensureCollision();
+    setSize({BLOCK_SIZE/2, BLOCK_SIZE/2});
+    setId(FIREBALL_ID);
+    setBouncable(true);
+    setAnimationFrames(FIRE_BALL_ANIM);
+    setAnimationSpeed(16);
+    resumeAnimation();
+    setOnGround(false);
+
+    auto bottom_detect = SDLPP::RectColider(0.2, 1, 0.6, 0, NPC_FLOOR_DETECT);
+    bottom_detect.setColor("#FF0000");
+    bottom_detect.setOutlineColor("#FF0000");
+    bottom_detect.setMinHeight(1);
+    addCollision(bottom_detect);
+    addCollision(SDLPP::RectColider(0, 0.25, 0.1, 0.6, NPC_LEFT_SIDE_DETECT));
+    addCollision(
+        SDLPP::RectColider(0.9, 0.25, 0.1, 0.6, NPC_RIGHT_SIDE_DETECT));
+    jump_movement = movementSpeed;
+}
+
+void Fireball::custom_move(int ticks) {
+    ticks_till_death -= ticks;
+    if (ticks_till_death <= 0) {
+        destroy();
+    }
+    gravity(ticks);
+    MarioBlock::custom_move(ticks);
+}
+
+void Fireball::setMovementDir(bool left) {
+    setMovement(movementSpeed / 2 * (left ? -1 : 1), 0);
+}
+
+void Fireball::handleVisitor(SDLPP::Visitor &visitor) {
+#ifndef EDITOR
+    // TODO -
+    // https://web.archive.org/web/20130807122227/http://i276.photobucket.com/albums/kk21/jdaster64/smb_playerphysics.png
+    auto &p_visitor = dynamic_cast<ProjectileVisitor &>(visitor);
+    // handle gravity
+    setOnGround(p_visitor.isOnGround());
+    if(p_visitor.isOnGround() && jump_movement > movementSpeed/16) {
+        setMovement(getMovement().getX(), -jump_movement);
+        setPos(getPos() - SDLPP::Vec2D<double>(0, jump_movement * BLOCK_SIZE));
+        jump_movement /= 2;
+        setOnGround(false);
+    }
+    if (p_visitor.canGoLeft() != p_visitor.canGoRight()) {
+        if(p_visitor.canGoLeft()) {
+            // we only want to be the size of the fireball left of the blockage
+            setPos(-1 * getDoubleRect().second.getX() + p_visitor.getMovementBlockage().getX(), getPos().getY());
+        } else {
+            // we want to be size of the blockage away from the blockage
+            setPos(BLOCK_SIZE + p_visitor.getMovementBlockage().getX(), getPos().getY());
+        }
+        setMovementDir(getMovement().getX() > 0);
+    }
+    if (p_visitor.getDeath()) {
+        destroy();
+    }
+#endif
+}

mario/blocks/fireball.hpp

@@ -0,0 +1,18 @@
+#ifndef FIREBALL_HPP
+#define FIREBALL_HPP
+
+#include "../blocks.hpp"
+
+class Fireball : public MarioBlock {
+public:
+    Fireball(int x, int y, std::shared_ptr<SDLPP::Renderer> &renderer);
+    void custom_move(int ticks) override;
+    void handleVisitor(SDLPP::Visitor &visitor) override;
+    void setMovementDir(bool left);
+private:
+    double jump_movement;
+    bool jumping = false;
+    long ticks_till_death = 3100;
+};
+
+#endif

mario/blocks/goombablock.cpp

@@ -72,9 +72,12 @@ void GoombaBlock::handleVisitor(SDLPP::Visitor &visitor) {
         startDeath();
         // destroy();
     }
+    if (g_visitor.instantDeath()) {
+        destroy();
+    }
 #endif
 }
 
 void GoombaBlock::startDeath() {
     death_started = true;
-}
+}

mario/global_vars.cpp

@@ -5,6 +5,7 @@ std::shared_ptr<SDLPP::Texture> g_terrain_texture{};
 std::shared_ptr<SDLPP::Texture> g_mario_texture{};
 std::shared_ptr<SDLPP::Texture> g_mod_texture{};
 std::shared_ptr<SDLPP::Texture> g_enemies_texture{};
+std::shared_ptr<SDLPP::Texture> g_items_texture{};
 std::shared_ptr<SDLPP::Texture> g_translucent_terrain_texture{};
 std::shared_ptr<SDLPP::Texture> g_translucent_mod_texture{};
 std::shared_ptr<SDLPP::Texture> g_translucent_enemies_texture;

mario/global_vars.hpp

@@ -7,6 +7,7 @@ extern std::shared_ptr<SDLPP::Texture> g_terrain_texture;
 extern std::shared_ptr<SDLPP::Texture> g_mario_texture;
 extern std::shared_ptr<SDLPP::Texture> g_mod_texture;
 extern std::shared_ptr<SDLPP::Texture> g_enemies_texture;
+extern std::shared_ptr<SDLPP::Texture> g_items_texture;
 extern std::shared_ptr<SDLPP::Texture> g_translucent_terrain_texture;
 extern std::shared_ptr<SDLPP::Texture> g_translucent_mod_texture;
 extern std::shared_ptr<SDLPP::Texture> g_translucent_enemies_texture;

mario/main.cpp

@@ -72,6 +72,9 @@ void handleKeyDown(SDL_Keycode key, SDLPP::Scene &scene) {
         if (fps) {
             fps->setHidden(!fps->getHidden());
         }
+    case SDLK_RETURN:
+        mario->fire();
+        break;
     default:
         break;
     }
@@ -261,6 +264,24 @@ void mainGameAdditional(std::shared_ptr<SDLPP::Scene> & /*UNUSED*/) {
     }
 }
 
+void addObjectToScene(std::shared_ptr<MarioBlock> &object, bool moving) {
+    game_scenes.back().scene->addObject(object);
+    object->setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
+    if(moving) {
+        moving_objects.push_back(object);
+    }
+}
+
+void addObjectToSceneTop(std::shared_ptr<MarioBlock> &object, bool moving) {
+    addObjectToScene(object, moving);
+    game_scenes.back().scene->moveZTop(object);
+}
+
+void addObjectToSceneBack(std::shared_ptr<MarioBlock> &object, bool moving) {
+    addObjectToScene(object, moving);
+    game_scenes.back().scene->moveZJustAboveBackground(object);
+}
+
 SceneStruct mainGameScene(const std::string &level_path) {
     auto scene = std::make_shared<SDLPP::Scene>(renderer);
     g_playground = scene;
@@ -272,7 +293,7 @@ SceneStruct mainGameScene(const std::string &level_path) {
     scene->addObject(bg);
 
     mario.reset();
-    mario = std::make_shared<Mario>(renderer);
+    mario = std::make_shared<Mario>(renderer, addObjectToSceneTop);
     scene->addObject(mario);
 
     auto defeat =
@@ -390,6 +411,8 @@ int main() {
         renderer, "sprites/terrain.png", MARIO_OVERWORLD_COLORKEY);
     g_enemies_texture = std::make_shared<SDLPP::Texture>(
         renderer, "sprites/enemies.png", MARIO_OVERWORLD_COLORKEY);
+    g_items_texture = std::make_shared<SDLPP::Texture>(
+        renderer, "sprites/items.png", MARIO_OVERWORLD_COLORKEY);
 
     g_mario_texture = std::make_shared<SDLPP::Texture>(
         renderer, "sprites/mario.png", MARIO_OVERWORLD_COLORKEY);

mario/maploader.cpp

@@ -2,6 +2,7 @@
 #include "../sdlpp/sdlpp_rectrenderer.hpp"
 #include <array>
 #include <fstream>
+#include "mario.hpp"
 #include "sprites.hpp"
 #include "blocks.hpp"
 #include "objectids.hpp"
@@ -188,10 +189,13 @@ void loadMapV01(std::shared_ptr<SDLPP::Scene> &scene,
             if (block.hasCharacter()) {
                 if (block.getCharacterId() == MARIO_ID) {
                     if (editor) {
-                        scene->addObject(createMario(block.getCharacterType(),
+                        auto mario2 = createMario(block.getCharacterType(),
-                                                     renderer, i, j, true));
+                                                     renderer, i, j, true);
-                        mario =
+                        scene->addObject(mario2);
-                            scene->getObject(scene->getObjects().size() - 1);
+#ifndef EDITOR                        
+                        std::dynamic_pointer_cast<Mario>(mario2)->setAddObjFunc(std::dynamic_pointer_cast<Mario>(mario)->getAddObjFunc());
+#endif
+                        mario = mario2;
                     } else {
                         mario->setPos(i * BLOCK_SIZE,
                                       1 - (16 - j) * BLOCK_SIZE);

mario/mario.cpp

@@ -4,9 +4,10 @@
 #include "objectids.hpp"
 #include "sprites.hpp"
 #include "visitors/mario_visitor.hpp"
+#include "blocks/fireball.hpp"
 
-Mario::Mario(int x, int y, const std::shared_ptr<SDLPP::Renderer> &renderer)
+Mario::Mario(int x, int y, const std::shared_ptr<SDLPP::Renderer> &renderer, std::function<void(std::shared_ptr<MarioBlock>&, bool)> addObject)
-        : MarioBlock(x, y, renderer, g_mario_texture, MARIO_STANDING_SRC) {
+        : MarioBlock(x, y, renderer, g_mario_texture, MARIO_STANDING_SRC), _addObject(addObject) {
     setAnimationFrames(*walk_anim);
     setId(MARIO_ID);
     setAlignment(SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER);
@@ -32,8 +33,8 @@ Mario::Mario(int x, int y, const std::shared_ptr<SDLPP::Renderer> &renderer)
     setStatic(false);
     bounce_speed *= 4;
 }
-Mario::Mario(const std::shared_ptr<SDLPP::Renderer> &renderer)
+Mario::Mario(const std::shared_ptr<SDLPP::Renderer> &renderer, std::function<void(std::shared_ptr<MarioBlock>&, bool)> addObject)
-        : Mario(0, 0, renderer) {}
+        : Mario(0, 0, renderer, addObject) {}
 void Mario::walkLeft() {
     if (!controllable) {
         return;
@@ -107,9 +108,7 @@ void Mario::handleVisitor(SDLPP::Visitor &visitor) {
     // TODO more readable function names
     if (m_visitor.isStopped()) {
         setPos(m_visitor.getStopX(), getPos().getY());
-    } else if (m_visitor.canGoLeft() != m_visitor.canGoRight() &&
+    } else if (m_visitor.canGoLeft() != m_visitor.canGoRight()) {
-               !(on_ground && m_visitor.getMovementBlockage().getY() >
-                                  getPos().getY() + BLOCK_SIZE / 2)) {
         // only stop mario on ground if the block obstructs at least half of him
         // (important for bug when mario lands from a high jump and is
         // teleported if visitor is fired at wrong moment)
@@ -169,6 +168,26 @@ void Mario::jump() {
     pauseAnimation();
 }
 
+#ifndef EDITOR
+void Mario::fire() {
+    if (!hasFire()) {
+        return;
+    }
+    auto fireball = std::make_shared<Fireball>(0, 0, renderer);
+    fireball->setPos(getPos() + SDLPP::Vec2D<double>((faces_right ? 1 : -1) * BLOCK_SIZE, BLOCK_SIZE));
+    fireball->setMovementDir(!faces_right);
+    auto fireball_m = std::static_pointer_cast<MarioBlock>(fireball);
+    fireball->setHidden(false);
+    _addObject(fireball_m, true);
+}
+void Mario::setAddObjFunc(std::function<void(std::shared_ptr<MarioBlock>&, bool)> func) {
+    _addObject = func;
+}
+std::function<void(std::shared_ptr<MarioBlock>&, bool)> Mario::getAddObjFunc() {
+    return _addObject;
+}
+#endif
+
 void Mario::stopJump() {
     stop_jump = true;
 }

mario/mario.hpp

@@ -11,13 +11,18 @@
 
 class Mario : public MarioBlock {
 public:
-    Mario(int x, int y, const std::shared_ptr<SDLPP::Renderer> &renderer);
+    Mario(int x, int y, const std::shared_ptr<SDLPP::Renderer> &renderer, std::function<void(std::shared_ptr<MarioBlock>&, bool)> addObject);
-    Mario(const std::shared_ptr<SDLPP::Renderer> &renderer);
+    Mario(const std::shared_ptr<SDLPP::Renderer> &renderer, std::function<void(std::shared_ptr<MarioBlock>&, bool)> addObject);
     void walkLeft();
     void walkRight();
     void setStanding();
     void handleVisitor(SDLPP::Visitor &visitor) override;
     void jump();
+#ifndef EDITOR
+    void fire();
+    void setAddObjFunc(std::function<void(std::shared_ptr<MarioBlock>&, bool)> func);
+    std::function<void(std::shared_ptr<MarioBlock>&, bool)> getAddObjFunc();
+#endif
     void stopJump();
     void custom_move(int ticks) override;
     void visit(SDLPP::Visitor &visitor) override;
@@ -48,6 +53,7 @@ public:
     }
 
 private:
+    std::function<void(std::shared_ptr<MarioBlock>&, bool)> _addObject;
     void setDeath(bool dead = true) {
         _death = dead;
     }

mario/objectids.hpp

@@ -90,6 +90,9 @@
 #define NPC_RIGHT_SIDE_DETECT 0x200A
 #define NPC_TOP_DETECT 0x200B
 
+// projectiles
+#define FIREBALL_ID 0x3001
+
 // GUI
 #define BUTTON_ID 0xA000
 

mario/sprites.cpp

@@ -28,6 +28,12 @@ const std::vector<SDL_Rect> MARIO_WALK_FIRE_ANIM = { { 43, 157, 16, 32 },
 const SDL_Rect MARIO_CHANGE_DIR_FIRE_SRC = { 98, 157, 16, 32 };
 const SDL_Rect MARIO_JUMP_FIRE_SRC = { 119, 157, 16, 32 };
 
+extern const std::vector<SDL_Rect> FIRE_BALL_ANIM = { {96, 144, 8, 8},
+                                                      {104, 144, 8, 8},
+                                                      {96, 152, 8, 8},
+                                                      {104, 152, 8, 8},
+};
+
 const SDL_Rect FLOOR_SRC = { 1, 131, 16, 16 };
 const SDL_Rect HILL_INCLINE_SRC = { 137, 97, 16, 16 };
 const SDL_Rect HILL_DECLINE_SRC = { 205, 97, 16, 16 };

mario/sprites.hpp

@@ -32,6 +32,8 @@ extern const SDL_Rect MARIO_DEATH_FIRE_SRC;
 extern const std::vector<SDL_Rect> MARIO_WALK_FIRE_ANIM;
 extern const SDL_Rect MARIO_CHANGE_DIR_FIRE_SRC;
 extern const SDL_Rect MARIO_JUMP_FIRE_SRC;
+//------------------ FIRE BALL ----------------------
+extern const std::vector<SDL_Rect> FIRE_BALL_ANIM;
 
 //------------------ TERRAIN ------------------------
 extern const SDL_Rect FLOOR_SRC;

mario/visitors/goomba_visitor.cpp

@@ -57,6 +57,9 @@ void GoombaVisitor::visit(const SDLPP::RenderObject &obj) {
             }
         }
         break;
+    case FIREBALL_ID:
+        instant_death = true;
+        break;
     default:
         break;
     }

mario/visitors/goomba_visitor.hpp

@@ -17,6 +17,9 @@ public:
     bool isDead() const {
         return death;
     }
+    bool instantDeath() const {
+        return instant_death;
+    }
     void setFromId(uint64_t id) override {
         from = id;
     }
@@ -54,6 +57,7 @@ private:
     double groundY = 0;
     uint64_t _type{};
     bool death = false;
+    bool instant_death = false;
     uint64_t from = -1;
     bool left = false;
     bool right = false;

mario/visitors/projectile_visitor.cpp

@@ -0,0 +1,54 @@
+#include "projectile_visitor.hpp"
+#include "../../sdlpp/sdlpp_renderobject.hpp"
+#include "../objectids.hpp"
+#include "../sprites.hpp"
+
+void ProjectileVisitor::visit(const SDLPP::RenderObject &obj) {
+    auto id = obj.getId();
+    switch (id) {
+    case FLOOR_ID:
+    case BRICK_ID:
+    case BRICK_TOP_ID:
+    case PIPE_LEFT_BOTTOM_ID:
+    case PIPE_RIGHT_BOTTOM_ID:
+    case PIPE_LEFT_TOP_ID:
+    case PIPE_RIGHT_TOP_ID:
+    case STEP_ID:
+    case SIDEWAY_PIPE_END_TOP_ID:
+    case SIDEWAY_PIPE_END_BOTTOM_ID:
+    case SIDEWAY_PIPE_MIDDLE_BOTTOM_ID:
+    case SIDEWAY_PIPE_MIDDLE_TOP_ID:
+    case SIDEWAY_PIPE_CONNECTOR_BOTTOM_ID:
+    case SIDEWAY_PIPE_CONNECTOR_TOP_ID:
+    case TREE_PLATFORM_TOP_LEFT_ID:
+    case TREE_PLATFORM_TOP_RIGHT_ID:
+    case MUSHROOM_PLATFORM_TOP_MIDDLE_ID:
+    case MUSHROOM_PLATFORM_TOP_LEFT_ID:
+    case MUSHROOM_PLATFORM_TOP_RIGHT_ID:
+    case CANNON_TOWER_ID:
+    case CANNON_PEDESTAL_ID:
+    case CANNON_ID:
+        if (from == NPC_FLOOR_DETECT) {
+            onGround = true;
+            groundY = obj.getPos().getY();
+        } else if (from == NPC_LEFT_SIDE_DETECT) {
+            if (!left && !right) {
+                movement_blockage = obj.getPos();
+                validXPos = movement_blockage.getX() + BLOCK_SIZE;
+            }
+            left = true;
+        } else if (from == NPC_RIGHT_SIDE_DETECT) {
+            if (!left && !right) {
+                movement_blockage = obj.getPos();
+                validXPos = movement_blockage.getX() - BLOCK_SIZE;
+            }
+            right = true;
+        }
+        break;
+    case GOOMBA_ID:
+        std::cout << "DEATH" << std::endl;
+        death = true;
+    default:
+        break;
+    }
+}

mario/visitors/projectile_visitor.hpp

@@ -0,0 +1,60 @@
+#ifndef PROJECTILE_VISITOR_H
+#define PROJECTILE_VISITOR_H
+
+#include "../../sdlpp/sdlpp_visitor.hpp"
+#include "../../sdlpp/sdlpp_geometry.hpp"
+#include "../../sdlpp/sdlpp_scene.hpp"
+#include "../blocks.hpp"
+
+class ProjectileVisitor : public SDLPP::Visitor {
+public:
+    ProjectileVisitor() = default;
+    void visit(const SDLPP::RenderObject &obj) override;
+    bool isOnGround() const {
+        return onGround;
+    }
+    void setFromId(uint64_t id) override {
+        from = id;
+    }
+    uint64_t getFromId() const override {
+        return from;
+    }
+    void setVisitorType(uint64_t type) override {
+        _type = type;
+    }
+    uint64_t getVisitorType() const override {
+        return _type;
+    }
+    bool canGoLeft() const {
+        return !left;
+    }
+    bool canGoRight() const {
+        return !right;
+    }
+    double getGroundY() const {
+        return groundY;
+    }
+    const SDLPP::Vec2D<double> &getMovementBlockage() {
+        return movement_blockage;
+    }
+    bool getDeath() {
+        return death;
+    }
+    double getValidXPos() {
+        return validXPos;
+    }
+
+private:
+    bool onGround = false;
+    double groundY = 0;
+    double validXPos = 0;
+    bool stop = false;
+    bool left = false;
+    bool right = false;
+    SDLPP::Vec2D<double> movement_blockage;
+    uint64_t from{};
+    uint64_t _type{};
+    bool death = false;
+};
+
+#endif

mario/visitors/visitor_generator.cpp

@@ -3,6 +3,7 @@
 #include "mario_visitor.hpp"
 #include "mushroom_visitor.hpp"
 #include "goomba_visitor.hpp"
+#include "projectile_visitor.hpp"
 #include "../mario.hpp"
 
 std::shared_ptr<SDLPP::Visitor>
@@ -28,6 +29,10 @@ getVisitor(const MarioBlock &block, SDLPP::Scene &scene,
         result = std::static_pointer_cast<SDLPP::Visitor>(
             std::make_shared<GoombaVisitor>(block.getPos()));
         break;
+    case FIREBALL_ID:
+        result = std::static_pointer_cast<SDLPP::Visitor>(
+            std::make_shared<ProjectileVisitor>());
+        break;
     default:
         break;
     }