can specify text color, only use last palette last index for text bg

src/engine/background/background.h

@@ -28,7 +28,7 @@ public:
 
     Background(int bgIndex, const void *data, int size, const void* map, int mapSize) : data(data), bgIndex(bgIndex), size(size), map(map),
                                                                        screenBlockIndex(0), charBlockIndex(0), mapSize(mapSize) {}
-    void persist();
+    virtual void persist();
     void clearMap();
 };
 

src/engine/background/text_stream.cpp

@@ -3,8 +3,11 @@
 //
 
 #include <engine/gba/tonc_memmap.h>
+#include <engine/palette_manager.h>
 #include "text_stream.h"
 
+#include <memory>
+
 TextStream* TextStream::inst;
 
 void TextStream::clear() {
@@ -15,6 +18,8 @@ void TextStream::clear() {
 
 TextStream::TextStream() : Background(0, text_data, sizeof(text_data), nullptr, TILE_WIDTH * TILE_WIDTH), currCol(0), currRow(0) {
     useMapScreenBlock(24);
+    this->palette = std::unique_ptr<BackgroundPaletteManager>(new BackgroundPaletteManager());
+
     persist();
     clearMap();
 }
@@ -79,4 +84,14 @@ TextStream& TextStream::operator<<(const char * s) {
     setText(s, currRow, currCol);
     currRow++;
     return *this;
-}
+}
+
+void TextStream::setTextColor(COLOR color) {
+    palette.get()->change(PALETTE_TEXT_BANK, PALETTE_COLOR_INDEX, color);
+}
+
+void TextStream::persist() {
+    Background::persist();
+    // WARNING: stream hijacks last bg palette bank, last index, no matter what.
+    setTextColor(PaletteManager::color(31, 31, 31));
+}

src/engine/background/text_stream.h

@@ -9,9 +9,13 @@
 #include "text.h"
 
 #include <string>
+#include <memory>
+#include <engine/palette_manager.h>
 
 #define CHAR_OFFSET_INDEX 32
 #define TILE_WIDTH 32
+#define PALETTE_COLOR_INDEX 15
+#define PALETTE_TEXT_BANK 15
 
 #define failure(__mess) (consoleLog_func(__FILE__, __LINE__, __PRETTY_FUNCTION__, #__mess))
 void log_text(const char* text);
@@ -20,6 +24,7 @@ void consoleLog_func(const char* fileName, const int lineNr, const char* fnName,
 class TextStream : public Background {
 private:
     int currRow, currCol;
+    std::unique_ptr<BackgroundPaletteManager> palette;
 
     static TextStream* inst;
     TextStream();
@@ -29,8 +34,11 @@ private:
 public:
     void clear();
     void setText(const char* text, int row, int col);
+    void setTextColor(COLOR color);
     static TextStream& instance();
 
+    void persist() override;
+
     TextStream& operator << (const char* s);
     TextStream& operator << (const int s);
     TextStream& operator << (const u32 s);

src/engine/palette_manager.cpp

@@ -6,5 +6,21 @@
 #include "palette_manager.h"
 
 void PaletteManager::persist() {
-    dma3_cpy(this->palletteAddress(), this->data, this->size);
+    dma3_cpy(this->paletteAddress(), this->data, this->size);
 }
+
+COLOR PaletteManager::change(int bank, int index, COLOR newColor) {
+    auto palBank = this->paletteBank();
+    COLOR oldColor = palBank[bank][index];
+    palBank[bank][index] = newColor;
+    return oldColor;
+}
+
+COLOR PaletteManager::color(u32 red, u32 green, u32 blue) {
+    return red | (green<<5) | (blue<<10);
+}
+
+void PaletteManager::persistToBank(int bank) {
+    auto palBank = this->paletteBank();
+    dma3_cpy(palBank[bank], this->data, PALETTE_BANK_SIZE);
+}

src/engine/palette_manager.h

@@ -5,7 +5,7 @@
 #ifndef GBA_SPRITE_ENGINE_PALETTE_MANAGER_H
 #define GBA_SPRITE_ENGINE_PALETTE_MANAGER_H
 
-
+#include <engine/gba/tonc_memmap.h>
 #include <engine/gba/tonc_types.h>
 
 #define PALETTE_BANK_SIZE 16
@@ -17,20 +17,30 @@ protected:
     const u16 *data;
     int size;
 
-    virtual void* palletteAddress() = 0;
+    virtual void* paletteAddress() = 0;
+    virtual PALBANK* paletteBank() = 0;
 public:
     PaletteManager(const u16 paletteData[]) : data(paletteData), size(PALETTE_MAX_SIZE) {}
     PaletteManager(const u16 paletteData[], int size) : data(paletteData), size(size) {}
 
     void persist();
+    void persistToBank(int bank);
+    static COLOR color(u32 r, u32 g, u32 b);
+    COLOR change(int bank, int index, COLOR newColor);
 };
 
 class BackgroundPaletteManager : public PaletteManager {
 protected:
-    void *palletteAddress() override {
+    void *paletteAddress() override {
         return pal_bg_mem;
     }
+
+    PALBANK *paletteBank() override {
+        return pal_bg_bank;
+    }
+
 public:
+    BackgroundPaletteManager() : PaletteManager(nullptr) {}
     BackgroundPaletteManager(const u16 paletteData[]) : PaletteManager(paletteData) {}
     BackgroundPaletteManager(const u16 paletteData[], int size) : PaletteManager(paletteData, size) {}
 };
@@ -38,9 +48,14 @@ public:
 
 class ForegroundPaletteManager : public PaletteManager {
 protected:
-    void *palletteAddress() override {
+    void *paletteAddress() override {
         return pal_obj_mem;
     }
+
+    PALBANK *paletteBank() override {
+        return pal_obj_bank;
+    }
+
 public:
     ForegroundPaletteManager(const u16 paletteData[]) : PaletteManager(paletteData) {}
     ForegroundPaletteManager(const u16 paletteData[], int size) : PaletteManager(paletteData, size) {}

src/kul.h

@@ -522,7 +522,7 @@ const unsigned short bg_palette [] = {
         0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
         0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
         0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
-        0x7c1f, 0x0000, 0x7fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+        0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
         0x0000, 0x0000, 0x0000, 0x0000
 };