Improves return types with Progress type

include/PSX/Auxiliary/lz4_decompressor.hpp

@@ -1,7 +1,32 @@
 #ifndef __JABYENGINE_LZ4_DECOMPRESSOR_HPP__
 #define __JABYENGINE_LZ4_DECOMPRESSOR_HPP__
+#include "../../stddef.h"
+#include "types.hpp"
 
 namespace JabyEngine {
+    class LZ4Decompressor {
+    public:
+        enum struct Result {
+            InProgress = 0,
+            Done,
+            Error
+        };
+
+    private:
+        struct State {};
+
+    private:
+        uint8_t* dst_adr = nullptr;
+        State    state;
+
+    public:
+        LZ4Decompressor() = default;
+
+        void setup(uint8_t* dst_adr);
+        void reset();
+
+        Progress process(const uint8_t* data, size_t size);
+    };
 }
 
 #endif //!__JABYENGINE_LZ4_DECOMPRESSOR_HPP__

include/PSX/Auxiliary/types.hpp

@@ -0,0 +1,12 @@
+#ifndef __JABYENGINE_TYPES_HPP__
+#define __JABYENGINE_TYPES_HPP__
+
+namespace JabyEngine {
+    enum struct Progress {
+        InProgress = 0,
+        Done,
+        Error
+    };
+}
+
+#endif //!__JABYENGINE_TYPES_HPP__

include/PSX/File/Processor/file_processor.hpp

@@ -1,5 +1,6 @@
 #ifndef __JABYENGINE_FILE_PROCESSOR_HPP__
 #define __JABYENGINE_FILE_PROCESSOR_HPP__
+#include "../../Auxiliary/types.hpp"
 #include "../file_types.hpp"
 
 namespace JabyEngine {
@@ -11,7 +12,11 @@ namespace JabyEngine {
             };
 
             struct Configuration;
-            typedef bool (*ProcessRoutine)(Configuration&, Reserved&);
+
+            template<typename T>
+            using GenericProcessRoutine = Progress (*)(Configuration&, T&);
+
+            typedef GenericProcessRoutine<Reserved> ProcessRoutine;
 
             struct Configuration {
                 ProcessRoutine  process_routine = nullptr;
@@ -19,7 +24,7 @@ namespace JabyEngine {
                 size_t          data_word_size  = 0ull;
 
                 template<typename T>
-                static __always_inline Configuration from(bool (*process_routine)(Configuration&, T&), const uint32_t* data_adr) {
+                static __always_inline Configuration from(GenericProcessRoutine<T> process_routine, const uint32_t* data_adr) {
                     return {reinterpret_cast<ProcessRoutine>(process_routine), data_adr};
                 }
                 
@@ -34,13 +39,13 @@ namespace JabyEngine {
             Reserved      reserved;
 
             template<typename T>
-            static __always_inline State from(const T& reserved, const uint32_t* data_adr, bool (*process_routine)(Configuration&, T&)) {
+            static __always_inline State from(const T& reserved, const uint32_t* data_adr, GenericProcessRoutine<T> process_routine) {
                 return {Configuration::from(process_routine, data_adr), *reinterpret_cast<const Reserved*>(&reserved)};
                 static_assert(sizeof(T) <= sizeof(Reserved));
             }
 
         public:
-            bool process(size_t word_size) {
+            Progress process(size_t word_size) {
                 this->config.data_word_size += word_size;
                 return (*this->config.process_routine)(this->config, this->reserved);
             }

src/Library/src/Auxiliary/lz4_decompressor.cpp

@@ -1,4 +1,16 @@
 #include <PSX/Auxiliary/lz4_decompressor.hpp>
 
 namespace JabyEngine {
+    void LZ4Decompressor :: setup(uint8_t* dst_adr) {
+        this->dst_adr = dst_adr;
+        LZ4Decompressor::reset();
+    }
+
+    void LZ4Decompressor :: reset() {
+
+    }
+
+    Progress LZ4Decompressor :: process(const uint8_t* data, size_t size) {
+        return Progress::Error;
+    }
 }

src/Library/src/BootLoader/gpu_boot.cpp

@@ -13,7 +13,7 @@ namespace JabyEngine {
         void display_logo() {
             // Upload SplashScreen picture
             auto state = FileProcessor::create(reinterpret_cast<const uint32_t*>(SplashScreen), SimpleTIM(32, 0, 0, 0));
-            while(state.process((sizeof(SplashScreen)/sizeof(uint32_t))));
+            while(state.process((sizeof(SplashScreen)/sizeof(uint32_t))) == Progress::InProgress);
 
             Display::enable();
         }

src/Library/src/File/Processor/simplehelper.hpp

@@ -1,5 +1,7 @@
 #ifndef __JABYENGINE_INTERNAL_SIMPLE_HELPER_HPP__
 #define __JABYENGINE_INTERNAL_SIMPLE_HELPER_HPP__
+
+// Instead of using friend we use this to access the private members
 #define private public
 #include <PSX/File/Processor/file_processor.hpp>
 
@@ -17,7 +19,7 @@ namespace JabyEngine {
             }
 
             template<typename T>
-            static bool exchange_and_execute_process_function(bool (*process_routine)(State::Configuration&, T&), State::Configuration& config, T& state) {
+            static Progress exchange_and_execute_process_function(State::GenericProcessRoutine<T> process_routine, State::Configuration& config, T& state) {
                 config.process_routine = reinterpret_cast<State::ProcessRoutine>(process_routine);
                 return process_routine(config, state);
             }

src/Library/src/File/Processor/tim_processor.cpp

@@ -49,7 +49,7 @@ namespace JabyEngine {
             set_gpu_receive(src, state.dst_info.getTextureX(), state.dst_info.getTextureY(), width, height);
         }
 
-        static bool parse_data(State::Configuration& config, SimpleTIMState& state) {
+        static Progress parse_data(State::Configuration& config, SimpleTIMState& state) {
             const auto words_to_use = (config.data_word_size > state.words_left) ? state.words_left : config.data_word_size;
             bool       is_last      = (words_to_use == state.words_left);
             auto       block_count  = (words_to_use >> 4);        
@@ -77,7 +77,7 @@ namespace JabyEngine {
                 state.words_left = 0;
                 config.processed(words_to_use);
 
-                return false;
+                return Progress::Done;
             }
 
             else {
@@ -85,18 +85,18 @@ namespace JabyEngine {
                 
                 state.words_left -= words_used;
                 config.processed(words_used);
-                return true;
+                return Progress::InProgress;
             }
         }
 
-        static bool switch_state_parse_data(State::Configuration& config, SimpleTIMState& state) {
+        static Progress switch_state_parse_data(State::Configuration& config, SimpleTIMState& state) {
             set_gpu_receive_data(config.data_adr, state, state.size_info.getTextureWidth(), state.size_info.getTextureHeight());
             return Helper::exchange_and_execute_process_function(parse_data, config, state);
         }
 
-        static bool parse_clut(State::Configuration& config, SimpleTIMState& state) {
+        static Progress parse_clut(State::Configuration& config, SimpleTIMState& state) {
-            if(parse_data(config, state)) {
+            if(const auto result = parse_data(config, state); result != Progress::Done) {
-                return true;
+                return result;
             }
 
             else {
@@ -104,7 +104,7 @@ namespace JabyEngine {
             }
         }
 
-        static bool parse_header(State::Configuration& config, SimpleTIMState& state) {
+        static Progress parse_header(State::Configuration& config, SimpleTIMState& state) {
             if(config.data_word_size >= (sizeof(SimpleTIMSize)/sizeof(uint32_t))) {
                 Helper::simple_read(state.size_info, config);
                 
@@ -121,7 +121,7 @@ namespace JabyEngine {
                 }
             }
 
-            return true;
+            return Progress::InProgress;
         }
 
         State create(const uint32_t* data_adr, const SimpleTIM& file) {