BGE Text

- multi-line strings for bitmap text 
- keyboard sensor now logs return and pad enter as "\n"

BGE std::vector use in Value.cpp and RAS_MaterialBucket.cpp
The size of a new list is known before making them, reduce re-allocs, though probably not a noticeable speedup.

source/blender/gpu/intern/gpu_draw.c

@@ -84,6 +84,15 @@ void GPU_render_text(MTFace *tface, int mode,
 		int characters, index, character;
 		float centerx, centery, sizex, sizey, transx, transy, movex, movey, advance;
 
+		/* multiline */
+		float line_start= 0.0f, line_height; 
+		if (v4)
+			line_height= MAX4(v1[1], v2[1], v3[1], v4[2]) - MIN4(v1[1], v2[1], v3[1], v4[2]);
+		else
+			line_height= MAX3(v1[1], v2[1], v3[1]) - MIN3(v1[1], v2[1], v3[1]);
+		line_height *= 1.2; /* could be an option? */
+		/* end multiline */
+		
 		characters = textlen;
 
 		ima = (Image*)tface->tpage;
@@ -97,12 +106,19 @@ void GPU_render_text(MTFace *tface, int mode,
 			glColor3f(1.0f, 1.0f, 1.0f);
 
 		glPushMatrix();
+		
 		for (index = 0; index < characters; index++) {
 			float uv[4][2];
 
 			// lets calculate offset stuff
 			character = textstr[index];
 			
+			if (character=='\n') {
+				glTranslatef(line_start, -line_height, 0.0);
+				line_start = 0.0f;
+				continue;
+			}
+			
 			// space starts at offset 1
 			// character = character - ' ' + 1;
 			matrixGlyph((ImBuf *)ima->ibufs.first, character, & centerx, &centery,
@@ -143,6 +159,7 @@ void GPU_render_text(MTFace *tface, int mode,
 			glEnd();
 
 			glTranslatef(advance, 0.0, 0.0);
+			line_start -= advance; /* so we can go back to the start of the line */
 		}
 		glPopMatrix();
 	}

source/gameengine/Expressions/Value.cpp

@@ -436,6 +436,8 @@ vector<STR_String> CValue::GetPropertyNames()
 {
 	vector<STR_String> result;
 	if(!m_pNamedPropertyArray) return result;
+	result.reserve(m_pNamedPropertyArray->size());
+	
 	std::map<STR_String,CValue*>::iterator it;
 	for (it= m_pNamedPropertyArray->begin(); (it != m_pNamedPropertyArray->end()); it++)
 	{

source/gameengine/GameLogic/SCA_KeyboardSensor.cpp

@@ -376,7 +376,8 @@ bool SCA_KeyboardSensor::IsPrintable(int keyIndex)
 		 || ((keyIndex >= SCA_IInputDevice::KX_AKEY) 
 			 && (keyIndex <= SCA_IInputDevice::KX_ZKEY)) 
 		 || (keyIndex == SCA_IInputDevice::KX_SPACEKEY) 
-/*  			 || (keyIndex == KX_RETKEY)  */
+		 || (keyIndex == SCA_IInputDevice::KX_RETKEY)
+		 || (keyIndex == SCA_IInputDevice::KX_PADENTER)
 		 || (keyIndex == SCA_IInputDevice::KX_PADASTERKEY) 
 		 || (keyIndex == SCA_IInputDevice::KX_TABKEY) 
 		 || ((keyIndex >= SCA_IInputDevice::KX_COMMAKEY) 
@@ -386,7 +387,7 @@ bool SCA_KeyboardSensor::IsPrintable(int keyIndex)
 		 || ((keyIndex >= SCA_IInputDevice::KX_PAD2) 
 			 && (keyIndex <= SCA_IInputDevice::KX_PADPLUSKEY)) 
 		 || (keyIndex == SCA_IInputDevice::KX_DELKEY)
-		 || (keyIndex == SCA_IInputDevice::KX_BACKSPACEKEY)		 		 
+		 || (keyIndex == SCA_IInputDevice::KX_BACKSPACEKEY)
 		)
 	{
 		return true;
@@ -423,8 +424,10 @@ char SCA_KeyboardSensor::ToCharacter(int keyIndex, bool shifted)
 	if (keyIndex == SCA_IInputDevice::KX_SPACEKEY) {
 		return ' ';
 	}
+	if (keyIndex == SCA_IInputDevice::KX_RETKEY || keyIndex == SCA_IInputDevice::KX_PADENTER) {
+		return '\n';
+	}
 	
-/*  			 || (keyIndex == SCA_IInputDevice::KX_RETKEY)  */
 	
 	if (keyIndex == SCA_IInputDevice::KX_PADASTERKEY) {
 		return '*';

source/gameengine/Rasterizer/RAS_MaterialBucket.cpp

@@ -330,6 +330,9 @@ bool RAS_MeshSlot::Join(RAS_MeshSlot *target, MT_Scalar distance)
 	for(begin(mit); !end(mit); next(mit))
 		for(i=mit.startvertex; i<mit.endvertex; i++)
 			mit.vertex[i].Transform(transform, ntransform);
+	
+	/* We know we'll need a list at least this big, reserve in advance */
+	target->m_displayArrays.reserve(target->m_displayArrays.size() + m_displayArrays.size());
 
 	for(it=m_displayArrays.begin(); it!=m_displayArrays.end(); it++) {
 		target->m_displayArrays.push_back(*it);