Add coin animation

mario/blocks/coinblock.cpp

@@ -0,0 +1,25 @@
+#include "coinblock.hpp"
+#include "../sprites.hpp"
+#include "../global_vars.hpp"
+
+CoinBlock::CoinBlock( int x, int y, std::shared_ptr< SDLPP::Renderer > renderer ) : MarioBlock(x, y, renderer, g_terrain_texture, COIN_SRC, true, true) {
+    setHidden(true);
+    bounce_speed = 0.75;
+    bounce_ticks = 150;
+}
+
+void CoinBlock::custom_move(int ticks) {
+    if(_parent != nullptr && !_parent->isBouncing() && !isBouncing()) {
+        setHidden(false);
+        bounce();
+        _parent = nullptr;
+    } else if (_parent == nullptr && !isBouncing()) {
+        setHidden(true);
+        destroy();
+    }
+    MarioBlock::custom_move(ticks);
+}
+
+void CoinBlock::setParent(MarioBlock *parent) {
+    _parent = parent;
+}

mario/blocks/coinblock.hpp

@@ -0,0 +1,15 @@
+#ifndef COIN_BLOCK_HPP
+#define COIN_BLOCK_HPP
+
+#include "../blocks.hpp"
+
+class CoinBlock : public MarioBlock {
+public:
+    CoinBlock( int x, int y, std::shared_ptr< SDLPP::Renderer > renderer );
+    virtual void custom_move(int ticks) override;
+    void setParent(MarioBlock *parent);
+private:
+    MarioBlock *_parent;
+};
+
+#endif

mario/blocks/simpleblocks.cpp

@@ -444,10 +444,6 @@ BackgroundModifierBlock::BackgroundModifierBlock( int x, int y,
                          std::shared_ptr< SDLPP::Renderer > renderer ) : MarioBlock (x, y, renderer, g_mod_texture, MOD_BACKGROUND_SRC, false ) {
     setId( BACKGROUND_MODIFIER_ID );
 }
-CoinModifierBlock::CoinModifierBlock( int x, int y,
-                   std::shared_ptr< SDLPP::Renderer > renderer ) : MarioBlock (x, y, renderer, g_mod_texture, MOD_COIN_SRC, false ) {
-    setId( COIN_MODIFIER_ID );
-}
 MushroomModifierBlock::MushroomModifierBlock( int x, int y,
                        std::shared_ptr< SDLPP::Renderer > renderer ) : MarioBlock (x, y, renderer, g_mod_texture, MOD_MUSHROOM_SRC, false ) {
     setId( MUSHROOM_MODIFIER_ID );

mario/blocks/simpleblocks.hpp

@@ -290,11 +290,6 @@ public:
     BackgroundModifierBlock( int x, int y,
                              std::shared_ptr< SDLPP::Renderer > renderer );
 };
-class CoinModifierBlock : public MarioBlock {
-public:
-    CoinModifierBlock( int x, int y,
-                       std::shared_ptr< SDLPP::Renderer > renderer );
-};
 class MushroomModifierBlock : public MarioBlock {
 public:
     MushroomModifierBlock( int x, int y,