PINK: add partial implementation of ActionText

2 files changed, 105 insertions, 5 deletions

diff --git a/engines/pink/objects/actions/action_text.cpp b/engines/pink/objects/actions/action_text.cpp
index 1af06d5e82..174ad8c65f 100644
--- a/engines/pink/objects/actions/action_text.cpp
+++ b/engines/pink/objects/actions/action_text.cpp
@@ -21,15 +21,37 @@
  */
 
 #include "common/debug.h"
+#include "common/substream.h"
 
 #include "pink/archive.h"
 #include "pink/director.h"
 #include "pink/pink.h"
 #include "pink/objects/actors/actor.h"
 #include "pink/objects/actions/action_text.h"
+#include "pink/objects/pages/page.h"
 
 namespace Pink {
 
+ActionText::ActionText() {
+	_txtWnd = nullptr;
+
+	_xLeft = _xRight = 0;
+	_yTop = _yBottom = 0;
+
+	_centered = 0;
+	_scrollBar = 0;
+
+	_textRGB = 0;
+	_backgroundRGB = 0;
+
+	_textColorIndex = 0;
+	_backgroundColorIndex = 0;
+}
+
+ActionText::~ActionText() {
+	end();
+}
+
 void ActionText::deserialize(Archive &archive) {
 	Action::deserialize(archive);
 	_fileName = archive.readString();
@@ -41,22 +63,82 @@ void ActionText::deserialize(Archive &archive) {
 
 	_centered = archive.readDWORD();
 	_scrollBar = archive.readDWORD();
-	_textColor = archive.readDWORD();
-	_backgroundColor = archive.readDWORD();
+	_textRGB = archive.readDWORD();
+	_backgroundRGB = archive.readDWORD();
 }
 
 void ActionText::toConsole() {
 	debugC(6, kPinkDebugLoadingObjects, "\tActionText: _name = %s, _fileName = %s, "
 				  "_xLeft = %u, _yTop = %u, _xRight = %u, _yBottom = %u _centered = %u, _scrollBar = %u, _textColor = %u _backgroundColor = %u",
-		  _name.c_str(), _fileName.c_str(), _xLeft, _yTop, _xRight, _yBottom, _centered, _scrollBar, _textColor, _backgroundColor);
+		  _name.c_str(), _fileName.c_str(), _xLeft, _yTop, _xRight, _yBottom, _centered, _scrollBar, _textRGB, _backgroundRGB);
 }
 
 void ActionText::start() {
+	findColorsInPalette();
+	Director *director = _actor->getPage()->getGame()->getDirector();
+	Graphics::TextAlign align = _centered ? Graphics::kTextAlignCenter : Graphics::kTextAlignLeft;
+
+	if (_scrollBar) {
+		Graphics::MacFont *font = new Graphics::MacFont;
+		_txtWnd = director->getWndManager().addTextWindow(font, _textColorIndex, _backgroundColorIndex,
+														  _xRight - _xLeft, align, nullptr, false);
+		_txtWnd->move(_xLeft, _yTop);
+		_txtWnd->resize(_xRight - _xLeft, _yBottom - _yTop);
 
+		_txtWnd->appendText("Testing ActionText", font);
+	} else {
+		director->addTextAction(this);
+	}
 }
 
 void ActionText::end() {
+	Director *director = _actor->getPage()->getGame()->getDirector();
+	if (_scrollBar && _txtWnd) {
+		director->getWndManager().removeWindow(_txtWnd);
+		_txtWnd = nullptr;
+	} else {
+		director->removeTextAction(this);
+	}
+}
+
+void ActionText::draw(Graphics::ManagedSurface *surface) {
+	// not working
+	/*Graphics::TextAlign alignment = _centered ? Graphics::kTextAlignCenter : Graphics::kTextAlignLeft;
+	Graphics::MacFont *font = new Graphics::MacFont;
+	Director *director = _actor->getPage()->getGame()->getDirector();
+	Graphics::MacText text("", &director->getWndManager(), font, _textColorIndex, _backgroundColorIndex, _xRight - _xLeft, alignment);
+	text.appendText("TESTING", font->getId(), font->getSize(), font->getSlant(), 0);
+	text.draw(surface, _xLeft, _yTop, _xRight - _xLeft, _yBottom - _yTop, 0, 0);*/
+}
+
+#define RED(rgb) ((rgb) & 0xFF)
+#define GREEN(rgb) (((rgb) >> 8) & 0xFF)
+#define BLUE(rgb) (((rgb) >> 16) & 0xFF)
+
+static uint findBestColor(byte *palette, uint32 rgb) {
+	uint bestColor = 0;
+	double min = 0xFFFFFFFF;
+	for (uint i = 0; i < 256; ++i) {
+		int rmean = (*(palette + 3 * i + 0) + RED(rgb)) / 2;
+		int r = *(palette + 3 * i + 0) - RED(rgb);
+		int g = *(palette + 3 * i + 1) - GREEN(rgb);
+		int b = *(palette + 3 * i + 2) - BLUE(rgb);
+
+		double dist = sqrt((((512 + rmean) * r * r) >> 8) + 4 * g * g + (((767 - rmean) * b * b) >> 8));
+		if (min > dist) {
+			bestColor = i;
+			min = dist;
+		}
+	}
+	return bestColor;
+}
+
+void ActionText::findColorsInPalette() {
+	byte palette[256 * 3];
+	g_system->getPaletteManager()->grabPalette(palette, 0, 255);
 
+	_textColorIndex = findBestColor(palette, _textRGB);
+	_backgroundColorIndex = findBestColor(palette, _backgroundRGB);
 }
 
 } // End of namespace Pink
diff --git a/engines/pink/objects/actions/action_text.h b/engines/pink/objects/actions/action_text.h
index bcf0a3520f..6a3a96642d 100644
--- a/engines/pink/objects/actions/action_text.h
+++ b/engines/pink/objects/actions/action_text.h
@@ -23,12 +23,20 @@
 #ifndef PINK_ACTION_TEXT_H
 #define PINK_ACTION_TEXT_H
 
+#include "common/events.h"
+
+#include "graphics/macgui/macwindow.h"
+#include "graphics/macgui/macmenu.h"
+#include "graphics/macgui/mactextwindow.h"
+
 #include "pink/objects/actions/action.h"
 
 namespace Pink {
 
 class ActionText : public Action {
 public:
+	ActionText();
+	~ActionText() override;
 	void deserialize(Archive &archive) override;
 
 	void toConsole() override;
@@ -36,8 +44,15 @@ public:
 	void start() override;
 	void end() override;
 
+	void draw(Graphics::ManagedSurface *surface); // only for non-scrollable text
+
+private:
+
+	void findColorsInPalette();
+
 private:
 	Common::String _fileName;
+	Graphics::MacTextWindow *_txtWnd;
 
 	uint32 _xLeft;
 	uint32 _yTop;
@@ -46,8 +61,11 @@ private:
 
 	uint32 _centered;
 	uint32 _scrollBar;
-	uint32 _textColor;
-	uint32 _backgroundColor;
+	uint32 _textRGB;
+	uint32 _backgroundRGB;
+
+	byte _textColorIndex;
+	byte _backgroundColorIndex;
 };
 
 } // End of namespace Pink