Mario: prepartations for multiple moving objects

mario/visitors/bounce_visitor.cpp

@@ -0,0 +1,17 @@
+#include "bounce_visitor.hpp"
+#include "../../sdlpp/sdlpp_renderobject.hpp"
+#include "../objectids.hpp"
+
+void BounceVisitor::visit( const SDLPP::RenderObject &obj ) {
+    auto id = obj.getId();
+    switch ( id ) {
+    case FLOOR_ID:
+    case BRICK_ID:
+    case BRICK_TOP_ID:
+        if(from == BOUNCE_COLLISION) {
+            hits += 1;
+        }
+    default:
+        break;
+    }
+}

mario/visitors/bounce_visitor.hpp

@@ -0,0 +1,34 @@
+#ifndef BOUNCE_VISITOR_HPP
+#define BOUNCE_VISITOR_HPP
+
+#include "../../sdlpp/sdlpp_visitor.hpp"
+#include "../../sdlpp/sdlpp_geometry.hpp"
+
+class BounceVisitor : public SDLPP::Visitor {
+public:
+    BounceVisitor() {}
+    virtual void visit( const SDLPP::RenderObject &obj ) override;
+    virtual void setFromId( uint64_t id ) override {
+        from = id;
+    }
+    virtual uint64_t getFromId() override {
+        return from;
+    }
+    virtual void setVisitorType( uint64_t type ) override {
+        _type = type;
+    }
+    virtual uint64_t getVisitorType() override {
+        return _type;
+    }
+
+    bool canBounce() {
+        return hits < 2;
+    }
+
+private:
+    int hits = 0;
+    uint64_t from;
+    uint64_t _type;
+};
+
+#endif

mario/visitors/mario_visitor.cpp

@@ -0,0 +1,64 @@
+#include "mario_visitor.hpp"
+#include "../../sdlpp/sdlpp_renderobject.hpp"
+#include "../objectids.hpp"
+#include "../sprites.hpp"
+
+void MarioVisitor::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 == MARIO_FLOOR_DETECT ) {
+            onGround = true;
+            groundY = obj.getPos().getY();
+        } else if ( from == MARIO_LEFT_SIDE_DETECT ) {
+            if(!left && !right) {
+                movement_blockage = obj.getPos();
+            }
+            left = true;
+        } else if (from == MARIO_RIGHT_SIDE_DETECT ) {
+            if(!left && !right) {
+                movement_blockage = obj.getPos();
+            }
+            right = true;
+        } else if (from == MARIO_TOP_DETECT) {
+            top_hit = true;
+        } else if (from == MARIO_TOP_LEFT_DETECT || from == MARIO_TOP_RIGHT_DETECT) {
+            rightleftpos = obj.getPos();
+            top_left_right = true;
+        }
+        break;
+    case DEATH_ID:
+        // TODO remove death?
+        death = true;
+        _quit = true;
+        break;
+    case STOP_MOVEMENT:
+        stop = true;
+        newX = obj.getDoubleRect().first.getX() +
+               obj.getDoubleRect().second.getX();
+        break;
+    default:
+        break;
+    }
+}

mario/visitors/mario_visitor.hpp

@@ -0,0 +1,115 @@
+#ifndef MARIO_VISITOR_H
+#define MARIO_VISITOR_H
+
+#include "../../sdlpp/sdlpp_visitor.hpp"
+#include "../../sdlpp/sdlpp_geometry.hpp"
+#include "../../sdlpp/sdlpp_scene.hpp"
+#include "../blocks.hpp"
+
+class MarioVisitor : public SDLPP::Visitor {
+public:
+    MarioVisitor(bool is_jumping, SDLPP::Scene &scene, bool &quit, int &coin_count) : jumping(is_jumping), _scene(scene), _quit(quit), _coin_count(coin_count) {}
+    virtual void visit( const SDLPP::RenderObject &obj ) override;
+    bool isOnGround() {
+        return onGround;
+    }
+    bool isDead() {
+        return death;
+    }
+    bool isStopped() {
+        return stop;
+    }
+    double newXPos() {
+        return newX;
+    }
+    virtual void setFromId( uint64_t id ) override {
+        from = id;
+    }
+    virtual uint64_t getFromId() override {
+        return from;
+    }
+    virtual void setVisitorType( uint64_t type ) override {
+        _type = type;
+    }
+    virtual uint64_t getVisitorType() override {
+        return _type;
+    }
+    bool canGoLeft() {
+        return !left;
+    }
+    bool canGoRight() {
+        return !right;
+    }
+    double getGroundY() {
+        return groundY;
+    }
+    bool topBlock() {
+        return top_hit;
+    }
+    bool moveTop() {
+        return top_left_right && !top_hit;
+    }
+    const SDLPP::Vec2D<double> &getRightLeftPos() {
+        return rightleftpos;
+    }
+
+    bool canDestroy() {
+        return jumping && !top_hit;
+    }
+
+    const SDLPP::Vec2D<double> &getMovementBlockage() {
+        return movement_blockage;
+    }
+
+    double getStopX() {
+        return newX;
+    }
+
+    void setCoin() {
+        // TODO remove coin?
+        coin = true;
+        _coin_count++;
+    }
+
+    bool hasCoin() {
+        return coin;
+    }
+
+    void setCoinBlock(std::shared_ptr<MarioBlock> &coin) {
+        // TODO remove coin_block?
+        coin_block = coin;
+        _scene.addObject(coin);
+        _scene.setZIndex(coin, 1);
+    }
+
+    bool hasCoinBlock() {
+        return coin_block != nullptr;
+    }
+
+    std::shared_ptr<MarioBlock> &getCoinBlock() {
+        return coin_block;
+    }
+
+private:
+    bool onGround = false;
+    double groundY = 0;
+    bool death = false;
+    bool stop = false;
+    double newX;
+    uint64_t from = -1;
+    bool left = false;
+    bool right = false;
+    uint64_t _type = 0;
+    bool top_hit = false;
+    SDLPP::Vec2D<double> rightleftpos;
+    bool top_left_right = false;
+    bool jumping;
+    bool coin = false;
+    SDLPP::Vec2D<double> movement_blockage;
+    std::shared_ptr<MarioBlock> coin_block = nullptr;
+    SDLPP::Scene &_scene;
+    bool &_quit;
+    int &_coin_count;
+};
+
+#endif

mario/visitors/visitor_generator.cpp

@@ -0,0 +1,17 @@
+#include "visitor_generator.hpp"
+#include "../objectids.hpp"
+#include "mario_visitor.hpp"
+
+std::shared_ptr< SDLPP::Visitor >
+getVisitor( const MarioBlock &block, SDLPP::Scene &scene, bool &quit,
+            int &coin_count,
+            std::vector< std::shared_ptr< MarioBlock > > &moving_objects ) {
+    std::shared_ptr< SDLPP::Visitor > result{};
+    switch(block.getId()) {
+        case MARIO_ID:
+            result = std::static_pointer_cast<SDLPP::Visitor>(std::make_shared<MarioVisitor>(block.getMovement().getY() < 0, scene, quit, coin_count));
+        default:
+            break;
+    }
+    return result;
+}

mario/visitors/visitor_generator.hpp

@@ -0,0 +1,11 @@
+#ifndef MARIO_VISITOR_GENERATOR_HPP
+#define MARIO_VISITOR_GENERATOR_HPP
+
+#include "../blocks.hpp"
+
+std::shared_ptr< SDLPP::Visitor >
+getVisitor( const MarioBlock &block, SDLPP::Scene &scene, bool &quit,
+            int &coin_count,
+            std::vector< std::shared_ptr< MarioBlock > > &moving_objects );
+
+#endif