Mario: Fireball works

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;
-}
+}