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spryTile_OS_EverythingElse.py
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spryTile_OS_EverythingElse.py
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import bpy
import gpu
import blf
import bmesh
import array
from bpy_extras import view3d_utils
from math import floor, ceil, copysign
from bpy.props import *
from mathutils import Vector, Matrix
import sprytile_utils, sprytile_modal
from gpu_extras.batch import batch_for_shader
from gpu_extras.presets import draw_texture_2d
from sprytile_tools.tool_build import ToolBuild
from sprytile_tools.tool_paint import ToolPaint
import sprytile_preview
import bgl
# Shaders
flat_vertex_shader = '''
uniform mat4 u_modelViewProjectionMatrix;
in vec2 i_position;
in vec4 i_color;
out vec4 o_color;
void main()
{
o_color = i_color;
gl_Position = u_modelViewProjectionMatrix * vec4(i_position, 0.0, 1.0);
}
'''
flat_fragment_shader = '''
in vec4 o_color;
out vec4 frag_color;
void main()
{
frag_color = o_color;
}
'''
image_vertex_shader = '''
uniform mat4 u_modelViewProjectionMatrix;
in vec2 i_position;
in vec4 i_color;
in vec2 i_uv;
out vec2 o_uv;
out vec4 o_color;
void main()
{
o_uv = i_uv;
o_color = i_color;
gl_Position = u_modelViewProjectionMatrix * vec4(i_position, 0.0, 1.0);
}
'''
image_fragment_shader = '''
uniform sampler2D u_image;
uniform float u_correct;
in vec2 o_uv;
in vec4 o_color;
out vec4 frag_color;
void main()
{
vec4 col = texture(u_image, o_uv) * o_color;
frag_color = pow(col, vec4(u_correct));
}
'''
flat_shader = gpu.types.GPUShader(flat_vertex_shader, flat_fragment_shader)
image_shader = gpu.types.GPUShader(image_vertex_shader, image_fragment_shader)
class SprytileGuiData(bpy.types.PropertyGroup):
zoom : FloatProperty(
name="Sprytile UI zoom",
default=1.0
)
init_zoom_flag: BoolProperty(name="Sprytile Initial Zoom Calc", default=False)
use_mouse : BoolProperty(name="GUI use mouse")
middle_btn : BoolProperty(name="GUI middle mouse")
is_dirty : BoolProperty(name="Srpytile GUI redraw flag")
palette_pos: IntVectorProperty(
name="Sprytile tile palette position",
size=2,
default=(150,150)
)
class VIEW3D_OP_SprytileGui(bpy.types.Operator):
bl_idname = "sprytile.gui_win"
bl_label = "Sprytile GUI"
mouse_pt = None
label_frames = 30
is_selecting = False
is_moving = False
sel_start = None
sel_origin = None
is_running = False
tile_ui_active = False
out_of_region = False
build_previews = {
'MAKE_FACE' : ToolBuild,
'PAINT' : ToolPaint,
'SET_NORMAL' : None,
'FILL' : None
}
# ================
# Modal functions
# ================
@classmethod
def poll(cls, context):
return context.area.type == 'VIEW_3D'
def invoke(self, context, event):
if context.space_data.type != 'VIEW_3D':
return {'CANCELLED'}
if len(context.scene.sprytile_mats) < 1:
return {'CANCELLED'}
# Try to setup offscreen
setup_off_return = VIEW3D_OP_SprytileGui.setup_offscreen(self, context)
if setup_off_return is not None:
return setup_off_return
self.label_counter = 0
self.get_zoom_level(context)
self.prev_in_region = False
self.handle_ui(context, event)
# Add the draw handler call back, for drawing into viewport
VIEW3D_OP_SprytileGui.handler_add(self, context, context.region)
if context.area:
context.area.tag_redraw()
context.scene.sprytile_ui.is_dirty = True
VIEW3D_OP_SprytileGui.is_running = True
# Add actual modal handler
context.window_manager.modal_handler_add(self)
# Add timer event
win_mgr = context.window_manager
self.win_timer = win_mgr.event_timer_add(0.1, window=context.window)
# Update view axis
self.update_view_axis(context)
return {'RUNNING_MODAL'}
def update_view_axis(self, context):
sprytile_data = context.scene.sprytile_data
view_axis = sprytile_modal.VIEW3D_OP_SprytileModalTool.find_view_axis(context)
if view_axis is not None:
if view_axis != sprytile_data.normal_mode:
sprytile_data.normal_mode = view_axis
sprytile_data.lock_normal = False
def modal(self, context, event):
if context.area is None:
self.exit(context)
return {'CANCELLED'}
if not sprytile_utils.get_current_tool(context).startswith("sprytile"):
self.exit(context)
return {'CANCELLED'}
if context.mode != 'EDIT_MESH':
self.exit(context)
return {'CANCELLED'}
elif not VIEW3D_OP_SprytileGui.is_running:
VIEW3D_OP_SprytileGui.is_running = True
# Check that the mouse is inside the region
region = context.region
coord = Vector((event.mouse_region_x, event.mouse_region_y))
VIEW3D_OP_SprytileGui.out_of_region = coord.x < 0 or coord.y < 0 or coord.x > region.width or coord.y > region.height
if event.type == 'TIMER':
self.update_view_axis(context)
if self.label_counter > 0:
self.label_counter -= 1
# Check if current_grid is different from current sprytile grid
if context.object.sprytile_gridid != VIEW3D_OP_SprytileGui.current_grid:
# Setup the offscreen texture for the new grid
setup_off_return = VIEW3D_OP_SprytileGui.setup_offscreen(self, context)
if setup_off_return is not None:
return setup_off_return
# Skip redrawing on this frame
return {'PASS_THROUGH'}
ret_val = self.handle_ui(context, event)
VIEW3D_OP_SprytileGui.tile_ui_active = ret_val == 'RUNNING_MODAL'
# Build the data that will be used by tool observers
rv3d = context.region_data
coord = event.mouse_region_x, event.mouse_region_y
no_data = rv3d is None
if no_data is False:
# get the ray from the viewport and mouse
ray_vector = view3d_utils.region_2d_to_vector_3d(region, rv3d, coord)
ray_origin = view3d_utils.region_2d_to_origin_3d(region, rv3d, coord)
mode = bpy.context.scene.sprytile_data.paint_mode
if VIEW3D_OP_SprytileGui.build_previews[mode]:
sprytile_modal.VIEW3D_OP_SprytileModalTool.verify_bmesh_layers(bmesh.from_edit_mesh(context.object.data))
VIEW3D_OP_SprytileGui.build_previews[mode].build_preview(context, context.scene, ray_origin, ray_vector)
else:
sprytile_preview.set_preview_data(None, None)
context.scene.sprytile_ui.is_dirty = False
context.area.tag_redraw()
return {ret_val}
def exit(self, context):
VIEW3D_OP_SprytileGui.handler_remove(self, context)
VIEW3D_OP_SprytileGui.is_running = False
VIEW3D_OP_SprytileGui.tile_ui_active = False
if hasattr(self, "win_timer"):
context.window_manager.event_timer_remove(self.win_timer)
if context.area is not None:
context.area.tag_redraw()
def set_zoom_level(self, context, zoom_shift):
region = context.region
zoom_level = context.scene.sprytile_ui.zoom
zoom_level = self.calc_zoom(region, zoom_level, zoom_shift)
display_size = VIEW3D_OP_SprytileGui.display_size
calc_size = round(display_size[0] * zoom_level), round(display_size[1] * zoom_level)
height_min = min(512, display_size[1])
while calc_size[1] < height_min:
zoom_level = self.calc_zoom(region, zoom_level, 1)
calc_size = round(display_size[0] * zoom_level), round(display_size[1] * zoom_level)
while calc_size[0] > region.width*3 or calc_size[1] > region.height*3:
zoom_level = self.calc_zoom(region, zoom_level, -1)
calc_size = round(display_size[0] * zoom_level), round(display_size[1] * zoom_level)
# Before setting new zoom, calculate palette position
display_offset, display_size, size_half, display_min, display_max = self.calc_palette_pos(context)
# Record if snapping to edges
is_snap_min_x = display_offset.x == display_min.x
is_snap_min_y = display_offset.y == display_min.y
is_snap_max_x = display_offset.x == display_max.x
is_snap_max_y = display_offset.y == display_max.y
# Set zoom level, then recalculate palette position
context.scene.sprytile_ui.zoom = zoom_level
display_offset, display_size, size_half, display_min, display_max = self.calc_palette_pos(context)
# Snap to edges if previously snapped
if is_snap_min_x:
display_offset.x = display_min.x
if is_snap_min_y:
display_offset.y = display_min.y
if is_snap_max_x:
display_offset.x = display_max.x
if is_snap_max_y:
display_offset.y = display_max.y
context.scene.sprytile_ui.palette_pos[0] = int(display_offset.x)
context.scene.sprytile_ui.palette_pos[1] = int(display_offset.y)
def calc_zoom(self, region, zoom, steps):
if steps == 0:
return zoom
step = copysign(1, steps)
count = 0
while count != steps:
# Zooming in
if steps > 0:
if zoom >= 2.0:
zoom += 0.5
elif zoom >= 0.25:
zoom += 0.25
else:
zoom *= 2
# Zooming out
else:
if zoom <= 0.25:
zoom *= 0.5
elif zoom <= 2.0:
zoom -= 0.25
else:
zoom -= 0.5
count += step
if VIEW3D_OP_SprytileGui.display_size[1] > region.height:
zoom = min(region.height / VIEW3D_OP_SprytileGui.display_size[1], zoom)
return zoom
def get_zoom_level(self, context):
if context.scene.sprytile_ui.init_zoom_flag:
return
region = context.region
display_size = VIEW3D_OP_SprytileGui.display_size
target_height = region.height * 0.35
zoom_level = round(region.height / display_size[1])
if zoom_level <= 0:
zoom_level = self.calc_zoom(region, 1, -1)
calc_height = round(display_size[1] * zoom_level)
while calc_height > target_height:
zoom_level = self.calc_zoom(region, zoom_level, -1)
calc_height = round(display_size[1] * zoom_level)
context.scene.sprytile_ui.zoom = zoom_level
context.scene.sprytile_ui.init_zoom_flag = True
def calc_palette_pos(self, context):
display_scale = context.scene.sprytile_ui.zoom
display_size = VIEW3D_OP_SprytileGui.display_size
display_size = round(display_size[0] * display_scale), round(display_size[1] * display_scale)
display_pad_x = 30 if context.space_data.show_region_ui else 5
display_pad_y = 5
size_half = Vector((int(display_size[0]/2), int(display_size[1]/2)))
display_min = Vector((display_pad_y/3 + size_half.x/3, display_pad_y/3 + size_half.y/3))
display_max = Vector((context.region.width*3 - display_pad_x*3 - size_half.x*3, context.region.height*3 - display_pad_y*3 - size_half.y*3))
display_offset = Vector((context.scene.sprytile_ui.palette_pos[0], context.scene.sprytile_ui.palette_pos[1]))
display_offset.x = max(display_offset.x, display_min.x)
display_offset.x = min(display_offset.x, display_max.x)
display_offset.y = max(display_offset.y, display_min.y)
display_offset.y = min(display_offset.y, display_max.y)
return display_offset, display_size, size_half, display_min, display_max
def handle_ui(self, context, event):
if event.type in {'LEFTMOUSE', 'MOUSEMOVE'}:
self.mouse_pt = Vector((event.mouse_region_x, event.mouse_region_y))
mouse_pt = self.mouse_pt
region = context.region
obj = context.object
ret_val = 'RUNNING_MODAL'
tilegrid = sprytile_utils.get_grid(context, obj.sprytile_gridid)
tex_size = VIEW3D_OP_SprytileGui.tex_size
display_offset, display_size, size_half, display_min, display_max = self.calc_palette_pos(context)
gui_min = display_offset - size_half
gui_max = display_offset + size_half
self.gui_min = gui_min
self.gui_max = gui_max
reject_region = context.space_data.type != 'VIEW_3D' or region.type != 'WINDOW'
if event is None or reject_region:
ret_val = 'PASS_THROUGH'
return ret_val
if event.type == 'MIDDLEMOUSE':
context.scene.sprytile_ui.middle_btn = True
if context.scene.sprytile_ui.middle_btn and event.value == 'RELEASE':
context.scene.sprytile_ui.middle_btn = False
if mouse_pt is not None and event.type in {'MOUSEMOVE'}:
mouse_in_region = 0 <= mouse_pt.x <= region.width and 0 <= mouse_pt.y <= region.height
mouse_in_gui = gui_min.x <= mouse_pt.x <= gui_max.x and gui_min.y <= mouse_pt.y <= gui_max.y
context.scene.sprytile_ui.use_mouse = mouse_in_gui
self.prev_in_region = mouse_in_region
if mouse_pt is not None and context.scene.sprytile_ui.middle_btn and VIEW3D_OP_SprytileGui.is_moving:
context.scene.sprytile_ui.use_mouse = True
if context.scene.sprytile_ui.use_mouse is False:
ret_val = 'PASS_THROUGH'
return ret_val
if event.type in {'WHEELUPMOUSE', 'WHEELDOWNMOUSE'}:
if event.ctrl is False:
zoom_shift = 1 if event.type == 'WHEELUPMOUSE' else -1
self.set_zoom_level(context, zoom_shift)
else:
direction = 1 if 'DOWN' in event.type else -1
bpy.ops.sprytile.grid_cycle('INVOKE_REGION_WIN', direction=direction)
self.label_counter = VIEW3D_OP_SprytileGui.label_frames
if mouse_pt is not None and event.type in {'LEFTMOUSE', 'MIDDLEMOUSE', 'MOUSEMOVE', 'INBETWEEN_MOUSEMOVE'}:
click_pos = Vector((mouse_pt.x - gui_min.x, mouse_pt.y - gui_min.y))
ratio_pos = Vector((click_pos.x / display_size[0], click_pos.y / display_size[1]))
tex_pos = Vector((ratio_pos.x * tex_size[0], ratio_pos.y * tex_size[1], 0))
# Apply grid matrix to tex_pos
grid_matrix = sprytile_utils.get_grid_matrix(VIEW3D_OP_SprytileGui.loaded_grid)
tex_pos = grid_matrix.inverted() @ tex_pos
grid_max = Vector((ceil(tex_size[0]/tilegrid.grid[0])-1, ceil(tex_size[1]/tilegrid.grid[1])-1))
cell_size = Vector((
tilegrid.grid[0] + (tilegrid.padding[0] * 2) + tilegrid.margin[1] + tilegrid.margin[3],
tilegrid.grid[1] + (tilegrid.padding[1] * 2) + tilegrid.margin[0] + tilegrid.margin[2]
))
grid_pos = Vector((tex_pos.x / cell_size.x, tex_pos.y / cell_size.y))
grid_pos.x = max(0, min(grid_max.x, floor(grid_pos.x)))
grid_pos.y = max(0, min(grid_max.y, floor(grid_pos.y)))
VIEW3D_OP_SprytileGui.cursor_grid_pos = grid_pos
# Code for moving tile selection around
if event.type == 'LEFTMOUSE' and event.value == 'PRESS' and VIEW3D_OP_SprytileGui.is_selecting is False:
addon_prefs = context.preferences.addons['ReSprytile'].preferences
move_mod_pressed = False
if addon_prefs.tile_sel_move_key == 'Alt':
move_mod_pressed = event.alt
if addon_prefs.tile_sel_move_key == 'Ctrl':
move_mod_pressed = event.ctrl
if addon_prefs.tile_sel_move_key == 'Shift':
move_mod_pressed = event.shift
VIEW3D_OP_SprytileGui.is_selecting = move_mod_pressed is False
VIEW3D_OP_SprytileGui.is_moving = move_mod_pressed is True
if VIEW3D_OP_SprytileGui.is_selecting or VIEW3D_OP_SprytileGui.is_moving:
VIEW3D_OP_SprytileGui.sel_start = grid_pos
VIEW3D_OP_SprytileGui.sel_origin = (tilegrid.tile_selection[0], tilegrid.tile_selection[1])
if VIEW3D_OP_SprytileGui.is_moving and event.type == 'LEFTMOUSE':
move_delta = Vector((grid_pos.x - VIEW3D_OP_SprytileGui.sel_start.x, grid_pos.y - VIEW3D_OP_SprytileGui.sel_start.y))
# Restrict movement inside tile grid
move_min = (VIEW3D_OP_SprytileGui.sel_origin[0] + move_delta.x,
VIEW3D_OP_SprytileGui.sel_origin[1] + move_delta.y)
if move_min[0] < 0:
move_delta.x -= move_min[0]
if move_min[1] < 0:
move_delta.y -= move_min[1]
move_max = (move_min[0] + tilegrid.tile_selection[2] - 1,
move_min[1] + tilegrid.tile_selection[3] - 1)
if move_max[0] > grid_max.x:
move_delta.x -= (move_max[0] - grid_max.x)
if move_max[1] > grid_max.y:
move_delta.y -= (move_max[1] - grid_max.y)
tilegrid.tile_selection[0] = VIEW3D_OP_SprytileGui.sel_origin[0] + move_delta.x
tilegrid.tile_selection[1] = VIEW3D_OP_SprytileGui.sel_origin[1] + move_delta.y
# End tile selection movement code
# Code for moving tile palette around
if context.scene.sprytile_ui.middle_btn:
if event.shift and not VIEW3D_OP_SprytileGui.is_moving:
VIEW3D_OP_SprytileGui.is_moving = True
VIEW3D_OP_SprytileGui.sel_origin = display_offset - mouse_pt
if VIEW3D_OP_SprytileGui.is_moving:
display_offset = mouse_pt + VIEW3D_OP_SprytileGui.sel_origin
display_offset.x = max(display_offset.x, display_min.x)
display_offset.x = min(display_offset.x, display_max.x)
display_offset.y = max(display_offset.y, display_min.y)
display_offset.y = min(display_offset.y, display_max.y)
context.scene.sprytile_ui.palette_pos[0] = int(display_offset.x)
context.scene.sprytile_ui.palette_pos[1] = int(display_offset.y)
# End tile palette movement code
if VIEW3D_OP_SprytileGui.is_selecting:
sel_min = Vector((
min(grid_pos.x, VIEW3D_OP_SprytileGui.sel_start.x),
min(grid_pos.y, VIEW3D_OP_SprytileGui.sel_start.y)
))
sel_max = Vector((
max(grid_pos.x, VIEW3D_OP_SprytileGui.sel_start.x),
max(grid_pos.y, VIEW3D_OP_SprytileGui.sel_start.y)
))
tilegrid.tile_selection[0] = int(sel_min.x)
tilegrid.tile_selection[1] = int(sel_min.y)
tilegrid.tile_selection[2] = int(sel_max.x - sel_min.x) + 1
tilegrid.tile_selection[3] = int(sel_max.y - sel_min.y) + 1
do_release = event.type in {'LEFTMOUSE', 'MIDDLEMOUSE'} and event.value == 'RELEASE'
if do_release and (VIEW3D_OP_SprytileGui.is_selecting or VIEW3D_OP_SprytileGui.is_moving):
VIEW3D_OP_SprytileGui.is_selecting = False
VIEW3D_OP_SprytileGui.is_moving = False
VIEW3D_OP_SprytileGui.sel_start = None
VIEW3D_OP_SprytileGui.sel_origin = None
# End mouse processing
# Cycle through grids on same material when right click
if event.type == 'RIGHTMOUSE' and event.value == 'PRESS':
bpy.ops.sprytile.grid_cycle()
self.label_counter = VIEW3D_OP_SprytileGui.label_frames
return ret_val
# ==================
# Actual GUI drawing
# ==================
@staticmethod
def setup_offscreen(self, context):
VIEW3D_OP_SprytileGui.offscreen = VIEW3D_OP_SprytileGui.setup_gpu_offscreen(self, context)
if VIEW3D_OP_SprytileGui.offscreen:
VIEW3D_OP_SprytileGui.texture = VIEW3D_OP_SprytileGui.offscreen.color_texture
else:
self.report({'ERROR'}, "Error initializing offscreen buffer. More details in the console")
return {'CANCELLED'}
return None
@staticmethod
def setup_gpu_offscreen(self, context):
obj = context.object
sprytile_list = context.scene.sprytile_list
grid_id = sprytile_list.display[sprytile_list.idx].grid_id
# set current object grid_id to selected grid_id
if grid_id != obj.sprytile_gridid:
obj.sprytile_gridid = grid_id
# Get the current tile grid, to fetch the texture size to render to
tilegrid = sprytile_utils.get_grid(context, grid_id)
target_img = None
tex_size = 128, 128
if tilegrid is not None:
target_img = sprytile_utils.get_grid_texture(obj, tilegrid)
if target_img is not None:
tex_size = target_img.size[0], target_img.size[1]
try:
offscreen = gpu.types.GPUOffScreen(tex_size[0], tex_size[1])
except Exception as e:
print(e)
VIEW3D_OP_SprytileGui.clear_offscreen(self)
offscreen = None
if target_img is None:
VIEW3D_OP_SprytileGui.texture_grid = None
else:
VIEW3D_OP_SprytileGui.texture_grid = target_img.name
VIEW3D_OP_SprytileGui.tex_size = tex_size
VIEW3D_OP_SprytileGui.display_size = tex_size
VIEW3D_OP_SprytileGui.current_grid = grid_id
VIEW3D_OP_SprytileGui.loaded_grid = tilegrid
self.get_zoom_level(context)
return offscreen
@staticmethod
def clear_offscreen(self):
VIEW3D_OP_SprytileGui.texture = None
@staticmethod
def handler_add(self, context, region):
space = bpy.types.SpaceView3D
VIEW3D_OP_SprytileGui.draw_callback = space.draw_handler_add(self.draw_callback_handler,
(self, context, region),
'WINDOW', 'POST_PIXEL')
@staticmethod
def handler_remove(self, context):
if hasattr(VIEW3D_OP_SprytileGui, "draw_callback") and VIEW3D_OP_SprytileGui.draw_callback is not None:
bpy.types.SpaceView3D.draw_handler_remove(VIEW3D_OP_SprytileGui.draw_callback, 'WINDOW')
VIEW3D_OP_SprytileGui.draw_callback = None
@staticmethod
def draw_callback_handler(self, context, region):
"""Callback handler"""
if not VIEW3D_OP_SprytileGui.is_running:
return
sprytile_data = context.scene.sprytile_data
show_extra = sprytile_data.show_extra or sprytile_data.show_overlay
tilegrid = sprytile_utils.get_selected_grid(context)
if tilegrid is None or VIEW3D_OP_SprytileGui.loaded_grid is None or VIEW3D_OP_SprytileGui.texture_grid is None or bpy.data.images.find(VIEW3D_OP_SprytileGui.texture_grid) < 0:
return
region = context.region
rv3d = context.region_data
middle_btn = context.scene.sprytile_ui.middle_btn
VIEW3D_OP_SprytileGui.draw_offscreen(context)
VIEW3D_OP_SprytileGui.draw_to_viewport(self.gui_min, self.gui_max, show_extra,
self.label_counter, tilegrid, sprytile_data,
context.scene.cursor.location, region, rv3d,
middle_btn, context)
@staticmethod
def draw_selection(mvpMat, color, sel_min, sel_max, adjust=1):
flat_shader.bind()
sel_vtx = [
(sel_min[0] + adjust, sel_min[1] + adjust),
(sel_max[0], sel_min[1]),
(sel_max[0], sel_max[1]),
(sel_min[0], sel_max[1]),
(sel_min[0] + adjust, sel_min[1])
]
vercol = (color,)*5
batch = batch_for_shader(flat_shader, 'LINE_STRIP', { "i_position": sel_vtx, "i_color": vercol})
flat_shader.uniform_float("u_modelViewProjectionMatrix", mvpMat)
batch.draw(flat_shader)
@staticmethod
def draw_full_quad(pos, mvpMat, color = (1, 1, 1, 1)):
flat_shader.bind()
vercol = (color,)*4
batch = batch_for_shader(flat_shader, 'TRI_STRIP', { "i_position": pos, "i_color": vercol})
flat_shader.uniform_float("u_modelViewProjectionMatrix", mvpMat)
batch.draw(flat_shader)
@staticmethod
def draw_full_tex_quad(pos, mvpMat, textureUnit, gammaCorrect = False, uvs = None, color = (1, 1, 1, 1)):
image_shader.bind()
vercol = (color,)*4
if not uvs:
uvs = ((0,0),(1,0),(0,1),(1,1))
batch = batch_for_shader(image_shader, 'TRI_STRIP', { "i_position": pos, "i_color": vercol, "i_uv": uvs})
image_shader.uniform_float("u_modelViewProjectionMatrix", mvpMat)
image_shader.uniform_int("u_image", textureUnit)
image_shader.uniform_float("u_correct", gammaCorrect and (1.0/2.2) or 1.0)
batch.draw(image_shader)
@staticmethod
def draw_offscreen(context):
"""Draw the GUI into the offscreen texture"""
offscreen = VIEW3D_OP_SprytileGui.offscreen
target_img = VIEW3D_OP_SprytileGui.texture_grid
tex_size = VIEW3D_OP_SprytileGui.tex_size
x = 150
y = 150
projection_mat = sprytile_utils.get_ortho2D_matrix(0, tex_size[0], 0, tex_size[1])
offscreen.bind()
fb = gpu.state.active_framebuffer_get() #bgl.glClearColor(0, 0, 0, 0.5)
fb.clear(color=(0.0, 0.0, 0.0, 0.0)) #bgl.glClear(bgl.GL_COLOR_BUFFER_BIT)
shader = gpu.shader.from_builtin('IMAGE')
batch = batch_for_shader(
shader, 'TRI_FAN',
{
"pos": ((x, y), (tex_size[0], y), (x, tex_size[1]), (tex_size[0], tex_size[1])),
"texCoord": ((0, 0), (1, 0), (1, 1), (0, 1)),
},
)
gpu.state.depth_test_set("NONE") #bgl.glDisable(bgl.GL_DEPTH_TEST)
gpu.state.blend_set('ALPHA') #bgl.glEnable(bgl.GL_BLEND)
target_img = bpy.data.images[bpy.data.images.find(target_img)]
texture = gpu.texture.from_image(target_img)
#target_img.gl_load()
#bgl.glActiveTexture(bgl.GL_TEXTURE0)
#bgl.glBindTexture(bgl.GL_TEXTURE_2D, target_img.bindcode)
shader.uniform_sampler("image", texture)
batch.draw(shader)
# We need to backup and restore the MAG_FILTER to avoid messing up the Blender viewport
#old_mag_filter = bgl.Buffer(bgl.GL_INT, 1)
#bgl.glGetTexParameteriv(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER, old_mag_filter)
#bgl.glTexParameteri(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER, bgl.GL_NEAREST)
#bgl.glEnable(bgl.GL_TEXTURE_2D)
quad_pos = ((x, y), (tex_size[0], y), (x, tex_size[1]), (tex_size[0], tex_size[1]))
# Blender > 2.83 expects sRGB
gamma_correct = bpy.app.version < (2, 83, 0)
VIEW3D_OP_SprytileGui.draw_full_tex_quad(quad_pos, projection_mat, 0, gamma_correct)
#bgl.glTexParameteriv(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER, old_mag_filter)
# Translate the gl context by grid matrix
grid_matrix = sprytile_utils.get_grid_matrix(VIEW3D_OP_SprytileGui.loaded_grid)
matrix_vals = [(grid_matrix[i][0], grid_matrix[i][1], grid_matrix[i][2], grid_matrix[i][3]) for i in range(4)]
mvp_mat = projection_mat @ Matrix(matrix_vals)
gpu.state.blend_set('NONE') #bgl.glDisable(bgl.GL_TEXTURE_2D)
# Get data for drawing additional overlays
grid_size = VIEW3D_OP_SprytileGui.loaded_grid.grid
padding = VIEW3D_OP_SprytileGui.loaded_grid.padding
margin = VIEW3D_OP_SprytileGui.loaded_grid.margin
curr_sel = VIEW3D_OP_SprytileGui.loaded_grid.tile_selection
is_pixel_grid = sprytile_utils.grid_is_single_pixel(VIEW3D_OP_SprytileGui.loaded_grid)
is_use_mouse = context.scene.sprytile_ui.use_mouse
is_selecting = VIEW3D_OP_SprytileGui.is_selecting
gpu.state.line_width_set(1) #bgl.glLineWidth(1)
# Draw box for currently selected tile(s)
# Pixel grid selection is drawn in draw_tile_select_ui
sprytile_data = context.scene.sprytile_data
is_not_base_layer = sprytile_data.work_layer != "BASE"
draw_outline = sprytile_data.outline_preview or is_not_base_layer
if draw_outline and is_selecting is False and not is_pixel_grid:
if is_not_base_layer:
sel_color = (0.98, 0.94, 0.12, 1.0)
elif VIEW3D_OP_SprytileGui.is_moving:
sel_color = (1.0, 0.0, 0.0, 1.0)
else:
sel_color = (1.0, 1.0, 1.0, 1.0)
curr_sel_min, curr_sel_max = VIEW3D_OP_SprytileGui.get_sel_bounds(
grid_size, padding, margin,
curr_sel[0], curr_sel[1],
curr_sel[2], curr_sel[3]
)
VIEW3D_OP_SprytileGui.draw_selection(mvp_mat, sel_color, curr_sel_min, curr_sel_max)
# Inside gui, draw appropriate selection for under mouse
if is_use_mouse and is_selecting is False and VIEW3D_OP_SprytileGui.cursor_grid_pos is not None:
cursor_pos = VIEW3D_OP_SprytileGui.cursor_grid_pos
# In pixel grid, draw cross hair
if is_pixel_grid and VIEW3D_OP_SprytileGui.is_moving is False:
flat_shader.bind()
flat_shader.uniform_float("u_modelViewProjectionMatrix", mvp_mat)
vtx_pos = ((0, int(cursor_pos.y + 1)), (tex_size[0], int(cursor_pos.y + 1)))
vtx_col = ((1.0, 1.0, 1.0, 0.5),)*2
batch = batch_for_shader(flat_shader, 'LINES', { "i_position": vtx_pos, "i_color": vtx_col})
flat_shader.uniform_float("u_modelViewProjectionMatrix", mvp_mat)
batch.draw(flat_shader)
vtx_pos = ((int(cursor_pos.x + 1), 0), (int(cursor_pos.x + 1), tex_size[1]))
batch = batch_for_shader(flat_shader, 'LINES', { "i_position": vtx_pos, "i_color": vtx_col})
batch.draw(flat_shader)
# Draw box around selection
elif VIEW3D_OP_SprytileGui.is_moving is False:
cursor_min, cursor_max = VIEW3D_OP_SprytileGui.get_sel_bounds(grid_size, padding, margin,
int(cursor_pos.x), int(cursor_pos.y),)
VIEW3D_OP_SprytileGui.draw_selection(mvp_mat, (1.0, 0.0, 0.0, 1.0), cursor_min, cursor_max)
offscreen.unbind()
@staticmethod
def get_sel_bounds(grid_size, padding, margin, x, y, size_x=1, size_y=1):
total_size = Vector(
(
grid_size[0] + (padding[0]*2) + margin[1] + margin[3],
grid_size[1] + (padding[1]*2) + margin[0] + margin[2]
)
)
sel_min = [
int(total_size[0]) * x,
int(total_size[1]) * y
]
sel_max = [
sel_min[0] + total_size[0] * size_x,
sel_min[1] + total_size[1] * size_y
]
sel_min[0] += padding[0] + margin[3]
sel_min[1] += padding[1] + margin[0]
sel_max[0] -= padding[0] + margin[1]
sel_max[1] -= padding[1] + margin[2]
sel_min = int(sel_min[0]), int(sel_min[1])
sel_max = int(sel_max[0]), int(sel_max[1])
return sel_min, sel_max
@staticmethod
def draw_work_plane(mvp_mat, grid_size, sprytile_data, cursor_loc, region, rv3d, middle_btn):
display_grid = (grid_size[0], grid_size[1])
# For single pixel grids, use world pixel density
if grid_size[0] == 1 or grid_size[1] == 1:
display_grid = (
VIEW3D_OP_SprytileGui.loaded_grid.tile_selection[2],
VIEW3D_OP_SprytileGui.loaded_grid.tile_selection[3]
)
if display_grid[0] == 1 or display_grid[1] == 1:
return
force_draw = sprytile_data.paint_mode == 'FILL' or sprytile_data.lock_normal
# Decide if should draw, only draw if middle mouse?
if force_draw is False:
if sprytile_data.axis_plane_display == 'OFF':
return
if sprytile_data.axis_plane_display == 'MIDDLE_MOUSE':
if middle_btn is False and sprytile_data.is_snapping is False:
return
# First, draw the world grid size overlay
flat_shader.bind()
flat_shader.uniform_float("u_modelViewProjectionMatrix", mvp_mat)
paint_up_vector = sprytile_data.paint_up_vector
paint_right_vector = sprytile_data.paint_normal_vector.cross(paint_up_vector)
pixel_unit = 1 / sprytile_data.world_pixels
paint_up_vector = paint_up_vector * pixel_unit * display_grid[1]
paint_right_vector = paint_right_vector * pixel_unit * display_grid[0]
plane_size = sprytile_data.axis_plane_size
if sprytile_data.paint_mode == "FILL":
plane_size = sprytile_data.fill_plane_size
grid_min, grid_max = sprytile_utils.get_workplane_area(plane_size[0], plane_size[1])
def draw_world_line(world_start, world_end, color):
start = view3d_utils.location_3d_to_region_2d(region, rv3d, world_start)
end = view3d_utils.location_3d_to_region_2d(region, rv3d, world_end)
if start is None or end is None:
return
vcol = (color,)*2
vpos = ((start.x, start.y), (end.x, end.y))
batch = batch_for_shader(flat_shader, 'LINES', { "i_position": vpos, "i_color": vcol})
batch.draw(flat_shader)
plane_col = sprytile_data.axis_plane_color
color = (plane_col[0], plane_col[1], plane_col[2], 1)
gpu.state.line_width_set(2) #bgl.glLineWidth(2)
for x in range(grid_min[0] + 1, grid_max[0]):
draw_start = cursor_loc + (paint_right_vector * x) + (paint_up_vector * grid_min[1])
draw_end = draw_start + paint_up_vector * plane_size[1]
draw_world_line(draw_start, draw_end, color)
for y in range(grid_min[1] + 1, grid_max[1]):
draw_start = cursor_loc + (paint_right_vector * grid_min[0]) + (paint_up_vector * y)
draw_end = draw_start + paint_right_vector * plane_size[0]
draw_world_line(draw_start, draw_end, color)
x_offset_min = paint_right_vector * grid_min[0]
x_offset_max = paint_right_vector * grid_max[0]
y_offset_min = paint_up_vector * grid_min[1]
y_offset_max = paint_up_vector * grid_max[1]
p0 = view3d_utils.location_3d_to_region_2d(region, rv3d, cursor_loc + x_offset_min + y_offset_min)
p1 = view3d_utils.location_3d_to_region_2d(region, rv3d, cursor_loc + x_offset_min + y_offset_max)
p2 = view3d_utils.location_3d_to_region_2d(region, rv3d, cursor_loc + x_offset_max + y_offset_max)
p3 = view3d_utils.location_3d_to_region_2d(region, rv3d, cursor_loc + x_offset_max + y_offset_min)
if p0 is None or p1 is None or p2 is None or p3 is None:
return
vcol = (color,)*5
vpos = ((p0.x, p0.y), (p1.x, p1.y), (p2.x, p2.y), (p3.x, p3.y), (p0.x, p0.y))
batch = batch_for_shader(flat_shader, 'LINE_STRIP', { "i_position": vpos, "i_color": vcol})
batch.draw(flat_shader)
@staticmethod
def draw_tile_select_ui(mvp_mat, view_min, view_max, view_size,
tex_size, grid_size, tile_selection,
padding, margin, show_extra, is_pixel):
# Draw the texture quad
quad_pos = ((view_min.x, view_min.y), (view_max.x, view_min.y),
(view_min.x, view_max.y), (view_max.x, view_max.y))
VIEW3D_OP_SprytileGui.draw_full_tex_quad(quad_pos, mvp_mat, 0)
# Translate the gl context by grid matrix
scale_factor = (view_size[0] / tex_size[0], view_size[1] / tex_size[1])
# Setup to draw grid into viewport
offset_matrix = Matrix.Translation((view_min.x, view_min.y, 0))
grid_matrix = sprytile_utils.get_grid_matrix(VIEW3D_OP_SprytileGui.loaded_grid)
grid_matrix = Matrix.Scale(scale_factor[0], 4, Vector((1, 0, 0))) @ Matrix.Scale(scale_factor[1], 4, Vector((0, 1, 0))) @ grid_matrix
calc_matrix = offset_matrix @ grid_matrix
matrix_vals = [(calc_matrix[i][0], calc_matrix[i][1], calc_matrix[i][2], calc_matrix[i][3]) for i in range(4)]
grid_mat = mvp_mat @ Matrix(matrix_vals)
gpu.state.line_width_set(1) #bgl.glLineWidth(1)
# Draw tileset grid, if not pixel size and show extra is on
if show_extra and is_pixel is False:
color = (0.0, 0.0, 0.0, 0.5)
# Draw the grid
cell_size = (
grid_size[0] + padding[0] * 2 + margin[1] + margin[3],
grid_size[1] + padding[1] * 2 + margin[0] + margin[2]
)
x_divs = ceil(tex_size[0] / cell_size[0])
y_divs = ceil(tex_size[1] / cell_size[1])
x_end = x_divs * cell_size[0]
y_end = y_divs * cell_size[1]
flat_shader.bind()
flat_shader.uniform_float("u_modelViewProjectionMatrix", grid_mat)
for x in range(x_divs + 1):
x_pos = (x * cell_size[0])
vtxs = ((x_pos, 0), (x_pos, y_end))
vcol = (color,)*2
batch = batch_for_shader(flat_shader, 'LINES', { "i_position": vtxs, "i_color": vcol})
batch.draw(flat_shader)
for y in range(y_divs + 1):
y_pos = (y * cell_size[1])
vtxs = ((0, y_pos), (x_end, y_pos))
vcol = (color,)*2
batch = batch_for_shader(flat_shader, 'LINES', { "i_position": vtxs, "i_color": vcol})
batch.draw(flat_shader)
# Draw selected tile outline
sel_min, sel_max = VIEW3D_OP_SprytileGui.get_sel_bounds(grid_size, padding, margin,
tile_selection[0], tile_selection[1],
tile_selection[2], tile_selection[3])
VIEW3D_OP_SprytileGui.draw_selection(grid_mat, (1, 1, 1, 1), sel_min, sel_max, 0)
@staticmethod
def draw_preview_tile(context, region, rv3d, mvp_mat):
if sprytile_modal.VIEW3D_OP_SprytileModalTool.no_undo is True:
return
if sprytile_preview.preview_verts is None:
return
if sprytile_preview.preview_uvs is None:
return
if context.scene.sprytile_data.is_snapping:
return
if VIEW3D_OP_SprytileGui.tile_ui_active:
return
if context.scene.sprytile_data.is_picking:
return
if VIEW3D_OP_SprytileGui.out_of_region:
return
uv = sprytile_preview.preview_uvs
world_verts = sprytile_preview.preview_verts
is_quads = sprytile_preview.preview_is_quads
# Turn the world vert positions into screen positions
screen_verts = []
for world_vtx in world_verts:
screen_vtx = view3d_utils.location_3d_to_region_2d(region, rv3d, world_vtx)
if screen_vtx is None:
return
screen_verts.append(screen_vtx)
#addon_prefs = context.preferences.addons[__package__].preferences
addon_prefs = context.preferences.addons['ReSprytile'].preferences
preview_alpha = addon_prefs.preview_transparency
sprytile_data = context.scene.sprytile_data
if sprytile_data.has_selection:
preview_alpha *= 0.25
if sprytile_data.paint_mode == 'PAINT':
preview_alpha = 0.9
color = (1.0, 1.0, 1.0, preview_alpha)
uvs = []
vtxs = []
# paint preview only draws one polygon
for i in range(len(uv)):
mod = i % 4
uvs.append((uv[i].x, uv[i].y))
vtxs.append((screen_verts[i][0], screen_verts[i][1]))
if mod == 3 and is_quads:
VIEW3D_OP_SprytileGui.draw_full_tex_quad((vtxs[0], vtxs[3], vtxs[1], vtxs[2]), mvp_mat, 0, False, (uvs[0], uvs[3], uvs[1], uvs[2]), color)
uvs.clear()
vtxs.clear()
if not is_quads:
# Draw polygon
image_shader.bind()
vercol = (color,)*len(uvs)
batch = batch_for_shader(image_shader, 'TRI_FAN', { "i_position": vtxs, "i_color": vercol, "i_uv": uvs})
image_shader.uniform_float("u_modelViewProjectionMatrix", mvp_mat)
image_shader.uniform_int("u_image", 0)
image_shader.uniform_float("u_correct", 1.0)
batch.draw(image_shader)
@staticmethod
def draw_to_viewport(view_min, view_max, show_extra, label_counter, tilegrid, sprytile_data,
cursor_loc, region, rv3d, middle_btn, context):
"""Draw the offscreen texture into the viewport"""
projection_mat = sprytile_utils.get_ortho2D_matrix(0, context.region.width, 0, context.region.height)
# Prepare some data that will be used for drawing
grid_size = VIEW3D_OP_SprytileGui.loaded_grid.grid
tile_sel = VIEW3D_OP_SprytileGui.loaded_grid.tile_selection
padding = VIEW3D_OP_SprytileGui.loaded_grid.padding
margin = VIEW3D_OP_SprytileGui.loaded_grid.margin
is_pixel = sprytile_utils.grid_is_single_pixel(VIEW3D_OP_SprytileGui.loaded_grid)
# Draw work plane
VIEW3D_OP_SprytileGui.draw_work_plane(projection_mat, grid_size, sprytile_data, cursor_loc, region, rv3d, middle_btn)
# Setup GL for drawing the offscreen texture
#bgl.glActiveTexture(bgl.GL_TEXTURE0)
#bgl.glBindTexture(bgl.GL_TEXTURE_2D, VIEW3D_OP_SprytileGui.texture)
# Backup texture settings
old_mag_filter = bgl.Buffer(bgl.GL_INT, 1)
#bgl.glGetTexParameteriv(bgl.GL_TEXTURE_2D, bgl.GL_TEXTURE_MAG_FILTER, old_mag_filter)
old_wrap_S = bgl.Buffer(bgl.GL_INT, 1)
old_wrap_T = bgl.Buffer(bgl.GL_INT, 1)