From 297232d21594b138bb368a42b5b0d085ff9ed6aa Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Thu, 19 Oct 2023 22:50:07 -0700
Subject: The great renaming: switch to "module style"

---
 src/brussel.engine/Sprite.hpp | 111 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/brussel.engine/Sprite.hpp

(limited to 'src/brussel.engine/Sprite.hpp')

diff --git a/src/brussel.engine/Sprite.hpp b/src/brussel.engine/Sprite.hpp
new file mode 100644
index 0000000..e163a01
--- /dev/null
+++ b/src/brussel.engine/Sprite.hpp
@@ -0,0 +1,111 @@
+#pragma once
+
+#include "Ires.hpp"
+#include "PodVector.hpp"
+#include "RcPtr.hpp"
+#include "Renderer.hpp"
+#include "Texture.hpp"
+
+#include <rapidjson/fwd.h>
+#include <glm/glm.hpp>
+#include <string>
+#include <string_view>
+#include <vector>
+
+class SpriteDefinition : public RefCounted {
+	friend class IresSpriteFiles;
+	friend class IresSpritesheet;
+
+private:
+	RcPtr<Texture> mAtlas;
+	glm::ivec2 mBoundingBox;
+	std::vector<Subregion> mFrames;
+
+public:
+	bool IsValid() const;
+	Texture* GetAtlas() const { return mAtlas.Get(); }
+	glm::ivec2 GetBoundingBox() const { return mBoundingBox; }
+	const decltype(mFrames)& GetFrames() const { return mFrames; }
+};
+
+class IresSpriteFiles : public IresObject {
+public:
+	RcPtr<SpriteDefinition> mInstance;
+	std::vector<std::string> spriteFiles;
+
+public:
+	IresSpriteFiles()
+		: IresObject(KD_SpriteFiles) {}
+
+	// NOTE: does not check whether all specified files have the same dimensions
+	bool IsValid() const;
+
+	SpriteDefinition* CreateInstance() const;
+	SpriteDefinition* GetInstance();
+	void InvalidateInstance();
+
+	void Write(IresWritingContext& ctx, rapidjson::Value& value, rapidjson::Document& root) const override;
+	void Read(IresLoadingContext& ctx, const rapidjson::Value& value) override;
+};
+
+class IresSpritesheet : public IresObject {
+public:
+	RcPtr<SpriteDefinition> mInstance;
+	std::string spritesheetFile;
+	int sheetWSplit = 1;
+	int sheetHSplit = 1;
+	int frameCountOverride = 0;
+
+public:
+	IresSpritesheet()
+		: IresObject(KD_Spritesheet) {}
+
+	bool IsValid() const;
+
+	static void ResplitSpritesheet(SpriteDefinition* sprite, const IresSpritesheet* conf);
+	static void ResplitSpritesheet(SpriteDefinition* sprite, int wSplit, int hSplit, int frameCountOverride = -1);
+
+	SpriteDefinition* CreateInstance() const;
+	SpriteDefinition* GetInstance();
+	void InvalidateInstance();
+
+	bool IsFrameCountOverriden() const;
+	int GetFrameCount() const;
+
+	void ShowEditor(IEditor& editor) override;
+
+	void Write(IresWritingContext& ctx, rapidjson::Value& value, rapidjson::Document& root) const override;
+	void Read(IresLoadingContext& ctx, const rapidjson::Value& value) override;
+};
+
+// TODO
+class SpriteCollection {
+private:
+	std::vector<SpriteDefinition> mSprites;
+};
+
+class Sprite {
+private:
+	RcPtr<SpriteDefinition> mDefinition;
+	int mCurrentFrame = 0;
+	int mTimeElapsed = 0;
+	// # of frames per second
+	int mPlaybackSpeed = 5;
+
+public:
+	Sprite();
+
+	bool IsValid() const;
+
+	SpriteDefinition* GetDefinition() const { return mDefinition.Get(); }
+	void SetDefinition(SpriteDefinition* definition);
+
+	int GetFrame() const;
+	const Subregion& GetFrameSubregion() const;
+	void SetFrame(int frame);
+	// Update as if a render frame has passed
+	void PlayFrame();
+
+	int GetPlaybackSpeed() const;
+	void SetPlaybackSpeed(int speed);
+};
-- 
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