void DynamicMaterial::setTextures(MaterialEditor* src) {
if(!m_material) return;
if(m_stream) m_stream->build();
// Textures
m_material->setTexture("diffuseArray", src->getDiffuseArray());
m_material->setTexture("normalArray", src->getNormalArray());
if(m_stream) {
m_stream->setTexture("diffuseArray", src->getDiffuseArray());
m_stream->setTexture("normalArray", src->getNormalArray());
printf("Textures set\n");
}
// Bind all the maps
typedef std::set<const char*> MapList;
MapList maps;
for(size_t i=0; i<m_layers.size(); ++i) {
if(m_layers[i]->map && m_layers[i]->map[0]) maps.insert( m_layers[i]->map );
if(m_layers[i]->map2 && m_layers[i]->map2[0]) maps.insert( m_layers[i]->map2 );
update(i);
}
for(MapList::iterator i=maps.begin(); i!=maps.end(); ++i) {
EditableTexture* map = src->getMap(*i);
if(map) {
m_material->setTexture(*i, map->getTexture());
if(m_stream) {
if(map->getTextureStream()) m_stream->addStream(*i, map->getTextureStream());
else m_stream->setOverlayTexture(*i, map->getTexture());
}
}
}
}
// Set value from the map list.
String SetParametersObject(MapList params, bool last_param_array) {
MapList::iterator it;
MapList::iterator last_param = params.end();
last_param--;
String params_object = "";
for (it = params.begin(); it != params.end(); it++) {
AddPair(params_object, it->first, it->second, (last_param == it && last_param_array) ? false : true, (last_param != it) ? true : false);
}
return params_object;
}
bool DynamicMaterial::compile() {
std::string source;
// Inputs
source +=
"#version 130\n\n"
"in vec3 worldNormal;\n"
"in vec3 worldPos;\n\n"
"uniform vec3 lightDirection;\n\n";
// Samplers
source +=
"uniform sampler2DArray diffuseArray;\n"
"uniform sampler2DArray normalArray;\n";
// Maps
typedef std::set<std::string> MapList;
MapList maps;
for(size_t i=0; i<m_layers.size(); ++i) {
if(m_layers[i]->map && m_layers[i]->map[0]) maps.insert( str(m_layers[i]->map) );
if(m_layers[i]->map2 && m_layers[i]->map2[0]) maps.insert( str(m_layers[i]->map2) );
}
for(MapList::iterator i=maps.begin(); i!=maps.end(); ++i) source += "uniform sampler2D " + *i + "Map;\n";
for(MapList::iterator i=maps.begin(); i!=maps.end(); ++i) source += "uniform vec4 " + *i + "Info;\n";
source += "\n\n";
// Variables
for(size_t i=0; i<m_layers.size(); ++i) {
std::string index = str(i);
if(m_layers[i]->projection == PROJECTION_FLAT) source += "uniform vec2 scale" + index + ";\n";
else source += "uniform vec3 scale" + index + ";\n";
source += "uniform float opacity" + index + ";\n";
if(m_layers[i]->type == LAYER_AUTO) source +=
"uniform vec3 autoMin" + index + ";\n"
"uniform vec3 autoMax" + index + ";\n"
"uniform vec3 autoBlend" + index + ";\n";
}
source += "\n\n//Utility functions\n";
// Functions
source +=
"vec4 sampleTriplanar(float map, vec3 coord, vec3 weights) {\n"
" vec4 c = vec4(coord.xyz, map);\n"
" return texture(diffuseArray, c.yzw)*weights.xxxx + texture(diffuseArray, c.zxw)*weights.yyyy + texture(diffuseArray, c.xyw)*weights.zzzz;\n"
"}\n";
source +=
"vec4 sampleTriplanerNormal(float map, vec3 coord, vec3 normal, vec3 weights) {\n"
" vec4 c = vec4(coord.xyz, map);\n"
" vec4 nX = texture(normalArray, c.yzw);\n"
" vec4 nY = texture(normalArray, c.zxw);\n"
" vec4 nZ = texture(normalArray, c.xyw);\n"
" nX.xyz = nX.xyz * 2.0 - 1.0;\n"
" nY.xyz = nY.xyz * 2.0 - 1.0;\n"
" nZ.xyz = nZ.xyz * 2.0 - 1.0;\n"
" if(dot(nX.xyz, normal)<0.0) nX.x = -nX.x;\n"
" if(dot(nY.xyz, normal)<0.0) nY.y = -nY.y;\n"
" if(dot(nZ.xyz, normal)<0.0) nZ.z = -nZ.z;\n"
" vec3 result = normalize(nX.xyz*weights.xxx + nY.xyz*weights.yyy + nZ.xyz*weights.zzz);\n"
" return vec4(result, nX.w*weights.x + nY.w*weights.y + nZ.w*weights.z);\n"
"}\n";
source +=
"float getAutoWeight(vec3 value, vec3 vmin, vec3 vmax, vec3 vblend) {\n"
// " vec3 ctr = (vmin + vmax) * 0.5;\n"
// " vec3 r = smoothstep(ctr - vmin, ctr - vmin + vblend, abs(value - ctr));\n"
" vec3 r = smoothstep(vmin-vblend, vmin, value) * smoothstep(vmax+vblend, vmax, value);\n"
" return r.x * r.y * r.z;\n"
"}\n";
source +=
"vec4 sampleMap(sampler2D map, vec4 info, vec2 coord) {\n"
" coord = (coord - info.xy) * info.zw;\n"
" return texture(map, coord);\n"
"}\n";
source +=
"vec4 sampleDiffuse(float map, vec2 coord) {\n"
" return texture(diffuseArray, vec3(coord, map));\n"
"}\n";
source +=
"vec4 sampleNormal(float map, vec2 coord) {\n"
" vec4 n = texture(diffuseArray, vec3(coord, map));\n"
" return vec4(n.xyz * 2.0 - 1.0, n.w);\n"
"}\n\n\n";
// Main function
source +=
"// Main shader function\n"
"void main() {\n"
" vec4 diffuse = vec4(1,1,1,1);\n"
" vec4 normal = vec4(0,1,0,0);\n"
" float gloss = 0.0;\n"
" float height;\n"
" float weight;\n"
" vec4 diff, norm;\n"
" vec3 triplanar = max( (abs(worldNormal) - 0.2) * 0.7, 0.0);\n"
" triplanar /= dot(triplanar, vec3(1,1,1));\n"
" vec3 autoValue = vec3(worldPos.y, 1.0 - worldNormal.y, 0.0);\n"
" \n";
// Vertical projection data
source +=
" vec3 vertical = vec3(triplanar.x, 0, triplanar.z);\n"
" vertical /= triplanar.y>0.99? 1: dot(vertical, vec3(1,1,1));\n\n";
// Sample maps
if(!maps.empty()) {
source += " // Sample maps\n";
for(MapList::iterator i=maps.begin(); i!=maps.end(); ++i) {
source += " vec4 " + *i + "Sample = sampleMap(" + *i + "Map, " + *i + "Info, worldPos.xz);\n";
}
source += "\n";
}
// Apply layers
const std::string rgba[] = { "r", "g", "b", "a" };
for(size_t i=0; i<m_layers.size(); ++i) {
std::string index = str(i);
MaterialLayer* layer = m_layers[i];
Colour colour(layer->colour);
bool valid = true;
source += " // Layer " + str(layer->name) + "\n";
switch(layer->type) {
case LAYER_AUTO:
source += " weight = getAutoWeight(autoValue, autoMin"+index+", autoMax"+index+", autoBlend"+index+");\n";
break;
case LAYER_WEIGHT:
if(!layer->map || !layer->map[0]) valid = false;
else if(layer->mapData<4)
source += " weight = " + str(layer->map) + "Sample." + rgba[layer->mapData] + ";\n";
else
source += " weight = 1.0 - dot(" + str(layer->map) + "Sample, vec4(1,1,1,1));\n";
break;
case LAYER_COLOUR:
if(!layer->map || !layer->map[0]) valid = false;
else source += " diff = " + str(layer->map) + "Sample;\n weight = 1.0;\n";
break;
case LAYER_INDEXED:
// ToDo this one
break;
}
if(!valid) {
printf("Error: Layer %s references an invalid map\n", (const char*)layer->name);
continue;
}
// Sample textures
if(layer->type != LAYER_COLOUR) {
if(layer->texture < 0) source +=
" diff = vec4(" + str(colour.r) + ", " + str(colour.g) + ", " + str(colour.b) + ", 0);\n"
" norm = vec4(0, 0, 1, 0);\n";
else if(layer->projection == PROJECTION_VERTICAL) source +=
" diff = sampleTriplanar("+str(layer->texture)+".0, worldPos * scale"+index+", vertical);\n"
" norm = sampleTriplanerNormal("+str(layer->texture)+".0, worldPos * scale"+index+", worldNormal, vertical);\n";
else if(layer->projection == PROJECTION_TRIPLANAR) source +=
" diff = sampleTriplanar("+str(layer->texture)+".0, worldPos * scale"+index+", triplanar);\n"
" norm = sampleTriplanerNormal("+str(layer->texture)+".0, worldPos * scale"+index+", worldNormal, triplanar);\n";
else source +=
" diff = sampleDiffuse("+str(layer->texture)+".0, worldPos.xz * scale"+index+");\n"
" norm = sampleNormal("+str(layer->texture)+".0, worldPos.xz * scale"+index+");\n";
}
// Blending
switch(layer->blend) {
case BLEND_NORMAL:
case BLEND_HEIGHT:
source +=
" diffuse = mix(diffuse, diff, weight * opacity" + index + ");\n"
" normal = mix(normal, norm, weight * opacity" + index + ");\n";
break;
case BLEND_MULTIPLY:
source +=
" diffuse *= mix(vec4(1,1,1,1), diff, weight * opacity" + index + ");\n";
break;
case BLEND_ADD:
source +=
" diffuse += diff * weight * opacity" + index + ";\n";
break;
}
source += "\n";
}
// Lighting (basic diffuse);
source += " // Lighting\n";
source += " gl_FragColor = diffuse * 0.1 + diffuse * 0.9 * dot(worldNormal, lightDirection);\n";
source += " gl_FragColor = vec4(diffuse.rgb, 1);\n";
source += "}\n";
// Vertex shader - todo: add concavity attribute
static const char* vertexShader =
"varying vec3 worldNormal;\n"
"varying vec3 worldPos;\n"
"void main() {\n"
" gl_Position = ftransform();\n"
" worldPos = gl_Vertex.xyz;\n"
" worldNormal = gl_Normal;\n"
"}\n";
// Compile shader
const char* fragmentShader = source.c_str();
VertexShader vert = Shader::createVertex(&vertexShader);
FragmentShader frag = Shader::createFragment(&fragmentShader);
Shader shader = Shader::link(vert, frag);
// Setup material
if(!m_material) m_material = new Material();
m_material->setShader(shader);
// Streamed material
if(m_streaming) {
if(!m_stream) m_stream = new MaterialStream(m_material);
m_stream->updateShader();
}
// Initialise variables
for(size_t i=0; i<m_layers.size(); ++i) {
update(i);
}
// DEBUG: save generated shader
FILE* fp = fopen("shader.glsl", "w");
if(fp) fwrite(source.c_str(), 1, source.length(), fp);
if(fp) fclose(fp);
printf("Compiled shader\n");
m_needsCompile = false;
return false;
}
void TouchKeyboard::reload_current_layout()
{
this->free_button_vram();
for( TextButtonSetStorage::iterator ki=this->keys.begin(); ki!=this->keys.end(); ki++ )
{
if( *ki )
{
delete *ki;
}
}
this->keys.clear();
this->text_buttons.clear();
this->text_buttons.push_back( &this->reference_key );
this->text_buttons.push_back( &this->layout_minus );
this->text_buttons.push_back( &this->layout_label );
this->text_buttons.push_back( &this->layout_plus );
this->close_db();
if( this->current_layout != this->layouts.end() )
{
int rc;
int flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_NOMUTEX;
if( (rc = sqlite3_open_v2( this->current_layout->c_str(), &db, flags, 0))!=SQLITE_OK )
{
std::stringstream msg;
msg << sqlite3_errmsg(db) << ": " << rc << " (" << *this->current_layout << ")";
this->close_db();
throw ERROR( msg.str() );
}
std::string stmt = "select key, value from settings";
MapList result;
if( (rc = sqlite3_exec(db, stmt.c_str(), map_list_callback, &result, 0))!=SQLITE_OK )
{
std::stringstream msg;
msg << sqlite3_errmsg(db) << " (" << rc << "), in statement: " << stmt;
throw ERROR( msg.str() );
}
for( MapList::iterator ri=result.begin(); ri!=result.end(); ri++ )
{
if( (*ri)["key"]=="description" ) this->current_layout_description = (*ri)["value"];
if( (*ri)["key"]=="language" ) this->current_layout_language = (*ri)["value"];
if( (*ri)["key"]=="keys" ) this->current_layout_keys = (*ri)["value"];
if( (*ri)["key"]=="dead_keys" ) this->current_layout_dead_keys = (*ri)["value"];
}
}
this->layout_label.text = this->current_layout_language;
StringList keyboard_characters;
utf8_to_utf8_char_list( (const unsigned char*)this->current_layout_keys.c_str(), keyboard_characters );
int key_x_start = 1;
int key_x_offset = this->reference_key.sensor_width+1;
int key_x = key_x_start;
int key_y_start = 50;
int key_y_offset = this->reference_key.sensor_height+1;
int key_y = key_y_start;
for( StringList::iterator kci = keyboard_characters.begin();
kci != keyboard_characters.end(); kci++ )
{
if( *kci=="\n" )
{
key_x = key_x_start;
key_y += key_y_offset;
continue;
}
if( *kci=="\t" )
{
key_x += key_x_offset / 2;
continue;
}
TextButton* new_key = new TextButton( this->reference_key );
new_key->hidden = false;
new_key->owns_bg_vram = false;
new_key->owns_text_vram = true;
new_key->text = *kci;
if( new_key->text == "ˇ" )
{
new_key->text_y_offset += 3;
}
else if( new_key->text == "¯" || new_key->text == "´"
|| new_key->text == "`" )
{
new_key->text_y_offset += 3;
new_key->font_size += 2;
}
new_key->x = key_x;
new_key->y = key_y;
this->text_buttons.push_back( new_key );
this->keys.insert( new_key );
key_x += key_x_offset;
}
}
ButtonAction TouchKeyboard::handle_button_pressed( TextButton* text_button )
{
if( this->keys.find(text_button) != this->keys.end() )
{
std::string button_text = this->handle_key_pressed( text_button->text );
// FIXME: besser db-patterns abfragen!
if( this->current_layout_dead_keys.find(button_text)!=std::string::npos )
{
this->modifier = button_text;
}
else if( button_text == "<" )
{
if( this->modifier.length() )
{
this->modifier = "";
}
else if( this->written_chars.size() )
{
this->written_chars.pop_back();
this->handle_text_changed();
}
}
else
{
if( this->modifier.length() )
{
button_text = this->modifier + button_text;
if( db )
{
int rc;
button_text = replace_pattern( button_text, "'", "\'" );
std::string stmt = "select result from modifiers where pattern='"+button_text+"'";
MapList result;
if( (rc = sqlite3_exec(db, stmt.c_str(), map_list_callback, &result, 0))!=SQLITE_OK )
{
std::stringstream msg;
msg << sqlite3_errmsg(db) << " (" << rc << "), in statement: " << stmt;
throw ERROR( msg.str() );
}
for( MapList::iterator ri=result.begin(); ri!=result.end(); ri++ )
{
button_text = (*ri)["result"];
break;
}
}
}
utf8_to_utf8_char_list( (const unsigned char*)button_text.c_str(), this->written_chars );
this->modifier = "";
this->handle_text_changed();
}
return BUTTON_ACTION_PRESSED | BUTTON_ACTION_SCREEN_SUB;
}
else if( text_button == &this->layout_minus )
{
if( this->current_layout != this->layouts.begin() )
{
this->current_layout--;
}
else if( this->layouts.end() != this->layouts.begin() )
{
this->current_layout = this->layouts.end();
this->current_layout--;
}
this->init_button_vram();
this->program.config->set( "touch_keyboard.current_layout", *this->current_layout );
// WARNING: button release handler will crash because of iterator invalidation if STOP_HANDLER ist not set:
return BUTTON_ACTION_PRESSED | BUTTON_ACTION_SCREEN_SUB | BUTTON_ACTION_STOP_HANDLER;
}
else if( text_button == &this->layout_plus )
{
if( this->layouts.size() && &*this->current_layout != &*this->layouts.rbegin() )
{
this->current_layout++;
}
else
{
this->current_layout = this->layouts.begin();
}
this->init_button_vram();
this->program.config->set( "touch_keyboard.current_layout", *this->current_layout );
// WARNING: button release handler will crash because of iterator invalidation when STOP_HANDLER ist not set:
return BUTTON_ACTION_PRESSED | BUTTON_ACTION_SCREEN_SUB | BUTTON_ACTION_STOP_HANDLER;
}
return this->ButtonProvider::handle_button_pressed( text_button );
}