/**
 * File:    Stairs.cga
 * Created: 1 May 2018 22:55:33 GMT
 * Author:  hrichards-rissetto2
 */

version "2017.0"

#import base: "Base.cga"


@Range(0,1,2,3,4)
attr FIRST_Type = 4

attr height = 5
@Range(0.25,1)
attr platform_height = 1
@Range(1.25,2)
attr stair_width = 2

attr basemolding_platform_ratio = 0.82

attr building_platform_ratio = 0.8
attr door_height = 2
attr door_width = 1

attr roof_height = 2
attr roof_overhang = 0.25
attr roof_angle = 50
attr offset_distance = (roof_height)/(tan(roof_angle))

@Range ("Hip", "Flat")
attr roof_type = "Hip"

//Textures
side_texture = "assets/Texture/ClayWall.jpg"
side_texture2 = "assets/Texture/Bonampak_Red.jpg"
top_texture = "assets/Texture/Floor.jpg"
ground_texture = "assets/Texture/green_01.jpg"
dirt_texture = "assets/Texture/dirt.jpg"
wall_texture = "assets/Texture/ClayWall.jpg"
wall_texture2 = "assets/Texture/Bonampak_Red.jpg"
roof_texture = "assets/Texture/Thatch.jpg"

//Create rectangular platform footprint
@StartRule
Lot-->
	innerRectangle(scope){shape:PlatformFootprint | remainder: Ground}

//Texture space outside of platform footprint as ground
Ground-->
	setupProjection(0, scope.xz, 10, 10)
	projectUV(0)
	texture(ground_texture)

//Cut away front strip of platform to be used for staircase
PlatformFootprint-->
	case FIRST_Type == 1:
		split(z){~1:Structure | 0.6:FrontStair}
	case FIRST_Type == 2:
		split(z){~1:Structure | 0.6:FrontStair}
	case FIRST_Type == 3:
		split(z){~1:Structure | 0.75:FrontStair}
	case FIRST_Type == 4:
		split(z){~1:Structure | 0.9:FrontStair}
	else:
		Structure
		
FrontStair-->
	setupProjection(0, scope.xz, 10, 10)
	projectUV(0)
	texture(ground_texture)
		
//Extrude structure to max height, split into platform and building
Structure-->
	case FIRST_Type == 1:
		extrude(2.2)
		split(y){0.05:DirtPad | ~1:Building}
	case FIRST_Type == 2:
		extrude(2.9)
		split(y){0.5:Platform | ~1:Building}
	case FIRST_Type == 3:
		extrude(3.05)
		split(y){0.75:Platform | 0.15:BaseMolding | ~1:Building}
	case FIRST_Type == 4:
		extrude(height)
		split(y){1:Platform | 0.15:BaseMolding | ~1:Building}
	else:
		extrude(height)
		
Building-->
	setupProjection(0, scope.xy, 10, 10)
	projectUV(0)
	texture(top_texture)
	
BaseMolding-->
	Platform
			
//Break platform into components
Platform-->
	comp(f){side: PlatformSide | top: PlatformTop}

DirtPad-->
	comp(f){side: DirtPadSide | top: DirtPadTop}
		
//Texture platform sides
PlatformSide-->
	case FIRST_Type == 4:
		setupProjection(0, scope.xy, 0.5, 0.5)
		projectUV(0)
		texture(side_texture2)
	else:
		setupProjection(0, scope.xy, 0.5, 0.5)
		projectUV(0)
		texture(side_texture)

DirtPadSide-->
	setupProjection(0, scope.xy, 1, 1)
	projectUV(0)
	texture(dirt_texture)
	
//Texture platform top
PlatformTop-->	
	setupProjection(0, scope.xy, 10, 10)
	projectUV(0)
	texture(top_texture)

DirtPadTop-->
	setupProjection(0, scope.xy, 1, 1)
	projectUV(0)
	texture(dirt_texture)

//Split front strip into staircase and greenspace
FrontStair-->
	split(x){~1:Ground | stair_width:Steps | ~1:Ground}
	
//Split staircase into appropriate number of steps for each building type/height
Steps-->
	case FIRST_Type == 1:
		split(z){~1:Step1}
	case FIRST_Type == 2:
		split(z){~1:Step3 | ~1:Step2 | ~1:Step1}
	case FIRST_Type == 3:
		split(z){~1:Step4 | ~1:Step3 | ~1:Step2 | ~1:Step1}
	case FIRST_Type == 4:
		split(z){~1:Step5 | ~1:Step4 | ~1:Step3 | ~1:Step2 | ~1:Step1}
	else:
		extrude(0)	

//Extrude steps	to appropriate height for each building type
Step1-->
	case FIRST_Type == 1:
		extrude(0.05)
		comp(f){side: DirtPadSide | top: DirtPadTop}
	else:
		extrude(0.2)
		comp(f){side: PlatformSide | top: PlatformTop}
	
Step2-->
	extrude(0.4)
	comp(f){side: PlatformSide | top: PlatformTop}

Step3-->
	case FIRST_Type == 2:
		extrude(0.5)
		comp(f){side: PlatformSide | top: PlatformTop}
	else:	
		extrude(0.6)
		comp(f){side: PlatformSide | top: PlatformTop}

Step4-->
	case FIRST_Type == 3:
		extrude(0.75)
		comp(f){side: PlatformSide | top: PlatformTop}
	else:
		extrude(0.8)
		comp(f){side: PlatformSide | top: PlatformTop}
	
Step5-->
	case FIRST_Type == 4:
		extrude(platform_height)
		comp(f){side: PlatformSide | top: PlatformTop}
	else:
		extrude(1)
		comp(f){side: PlatformSide | top: PlatformTop}

//Texture platform sides
PlatformSide-->
	case FIRST_Type == 4:
		setupProjection(0, scope.xy, 0.5, 0.5)
		projectUV(0)
		texture(side_texture2)
	else:
		setupProjection(0, scope.xy, 0.5, 0.5)
		projectUV(0)
		texture(side_texture)

DirtPadSide-->
	setupProjection(0, scope.xy, 1, 1)
	projectUV(0)
	texture(dirt_texture)
	
//Texture platform top
PlatformTop-->	
	setupProjection(0, scope.xy, 10, 10)
	projectUV(0)
	texture(top_texture)

DirtPadTop-->
	setupProjection(0, scope.xy, 1, 1)
	projectUV(0)
	texture(dirt_texture)
	
//Texture space outside of platform footprint as ground
Ground-->
	setupProjection(0, scope.xz, 10, 10)
	projectUV(0)
	texture(ground_texture)